Yannavero (Methanatworaphat) พ.; Srinok ส.; Wongsuwan น. The Learning Management Using the Threefold Educational Principles to Develop Learning Achievement of Lower Secondary School. Journal of MCU Humanities Review, ิิิBankok, Thailand, v. 7, n. 2, p. 171–181, 2021. Disponível em: https://so03.tci-thaijo.org/index.php/human/article/view/255256. Acesso em: 10 aug. 2022.