คีรีรัตน์ ช. มุมห้องเรียน. Journal of Education Studies, Chulalongkorn University, Bangkok, Thailand, v. 40, n. 1, p. 251–253, 2014. Disponível em: https://so02.tci-thaijo.org/index.php/EDUCU/article/view/20904. Acesso em: 16 sep. 2026.