Open Access
Retraction: Research on College English Online Learning Platform Model Based on Big Data Technology (J. Phys.: Conf. Ser. 1648 042090)
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1648/4/042147
Subject(s) - publishing , allegation , notice , trustworthiness , legitimacy , political science , library science , computer science , internet privacy , law , politics