BOONSEN, S. The Development of Mathematical Learning Achievement on Multiplication Using Skill Exercises for Prathomsuksa 2 Students at Suraohayeemina School. Interdisciplinary Academic and Research Journal , Maha Sara Kham, TH., v. 3, n. 4, p. ึ707–720, 2023. DOI: 10.14456/iarj.2023.215. Disponível em: https://so03.tci-thaijo.org/index.php/IARJ/article/view/269477. Acesso em: 29 aug. 2026.