KONGTHUM1*, A.; NUMNAPHOL, K.; SARAKHUN, N.; KALAM, S.; WIRAT, U.; SUMMART, P.; SINGHARA, P. Developing learning achievement for Mathematics Subject on topic Fractions By activities inquiry-based learning (5Es) of students in Prathomsuksa 6 at Loeng Nok Tha Kindergarten School Yasothon Primary Educational Service Area Office 2: Developing learning achievement for Mathematics Subject on topic Fractions By activities inquiry-based learning (5Es) of students in Prathomsuksa 6 at Loeng Nok Tha Kindergarten School Yasothon Primary Educational Service Area Office 2. RATANABUTH JOURNAL, Yasothon, Thailand, v. 6, n. 1, p. 532–546, 2024. Disponível em: https://so07.tci-thaijo.org/index.php/rtnb/article/view/4417. Acesso em: 16 sep. 2026.