NIRADROP, O. THE DEVELOPMENT OF AN E - LESSON TO PROMOTE LEARNING IN PRINCIPLES AND METHODS OF TEACHING AND TENNIS REFEREE FOR UNDERGRADUATE STUDENTS. Academic Journal of Thailand National Sports University, Chonburi, Thailand, v. 15, n. 3, p. 269–282, 2023. Disponível em: https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/261662. Acesso em: 18 sep. 2026.