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ธงภักดี ล, จุลศิริพงษ์ ส. THE DEVELOPMENT OF LEARNING MANAGEMENT ABILITY OF BASIC EDUCATION SCHOOLS TEACHERS IN NAKHON RATCHASIMA TO IMPROVE 21st CENTURY STUDENTS’ LEARNING RESULTS BY USING COOPERATIVE LEARNING. Res Comm Soc Dev J [internet]. 2018 Jan. 10 [cited 2026 Sep. 17];12(1):139-53. available from: https://so04.tci-thaijo.org/index.php/NRRU/article/view/161732