{"id":"https://openalex.org/W615490039","doi":null,"title":"ELT Textbooks and materials : problems in evaluation and development","display_name":"ELT Textbooks and materials : problems in evaluation and development","publication_year":1987,"publication_date":"1987-01-01","ids":{"openalex":"https://openalex.org/W615490039","mag":"615490039"},"language":"en","primary_location":{"id":"mag:615490039","doi":null,"is_oa":false,"landing_page_url":"http://ci.nii.ac.jp/ncid/BA18690128","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"book","indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5025912217","display_name":"Leslie Sheldon","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Leslie Sheldon","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5025912217"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.3056,"has_fulltext":false,"cited_by_count":128,"citation_normalized_percentile":{"value":0.93730793,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10021","display_name":"EFL/ESL Teaching and Learning","score":0.7728999853134155,"subfield":{"id":"https://openalex.org/subfields/1203","display_name":"Language and Linguistics"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10021","display_name":"EFL/ESL Teaching and Learning","score":0.7728999853134155,"subfield":{"id":"https://openalex.org/subfields/1203","display_name":"Language and Linguistics"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T14516","display_name":"English Language Learning and Teaching","score":0.14990000426769257,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12556","display_name":"Educational Methods and Analysis","score":0.023499999195337296,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/english-language-teaching","display_name":"English language teaching","score":0.7089999914169312},{"id":"https://openalex.org/keywords/textbooks","display_name":"textbooks","score":0.5820000171661377},{"id":"https://openalex.org/keywords/language-teaching-materials","display_name":"language teaching materials","score":0.6639999747276306},{"id":"https://openalex.org/keywords/textbook-evaluation","display_name":"textbook evaluation","score":0.7870000004768372},{"id":"https://openalex.org/keywords/materials-development","display_name":"materials development","score":0.9150000214576721}],"concepts":[{"id":"https://openalex.org/C55587333","wikidata":"https://www.wikidata.org/wiki/Q1133029","display_name":"Engineering ethics","level":1,"score":0.4089697599411011},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2789115309715271}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:615490039","doi":null,"is_oa":false,"landing_page_url":"http://ci.nii.ac.jp/ncid/BA18690128","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6164000034332275,"id":"https://metadata.un.org/sdg/4","display_name":"Quality education"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7037678594","https://openalex.org/W2231113790","https://openalex.org/W2899811181","https://openalex.org/W7096055461","https://openalex.org/W6990365293","https://openalex.org/W7039399507","https://openalex.org/W1520732834","https://openalex.org/W3194749918","https://openalex.org/W30557879","https://openalex.org/W2316522962"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":13},{"year":2018,"cited_by_count":6},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":11},{"year":2014,"cited_by_count":7},{"year":2013,"cited_by_count":11},{"year":2012,"cited_by_count":6}],"updated_date":"2026-10-26T11:51:55.731654","created_date":"2016-06-24T00:00:00"}
