ปัญญายง ท. Electronic Lesson Development: Mathematics for ‘Long Lap Lae’ Durian Agricultural business in Uttradit Province: A Case Study of Moderate Class-More Knowledge Policy in Schools. Ratchaphruek Journal, [S. l.], v. 16, n. 1, p. 30–36, 2018. Disponível em: https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/125218. Acesso em: 26 aug. 2026.