Huynh, A. T. and Nguyen, T. H. H. (2025) “FACTORS AFFECTING THE OPERATION OF PROFESSIONAL LEARNING COMMUNITIES OF ENGLISH AS A FOREIGN LANGUAGE TEACHERS AT VIETNAMESE ECONOMICS UNIVERSITIES”, VNU Journal of Foreign Studies, 41(1), pp. 166–185. doi: 10.63023/2525-2445/jfs.ulis.5349.