คีรีรัตน์ ช. คิดนอกกรอบ. Journal of Education Studies, Chulalongkorn University, Bangkok, Thailand, v. 44, n. 3, p. 381–388, 2017. Disponível em: https://so02.tci-thaijo.org/index.php/EDUCU/article/view/86597. Acesso em: 15 sep. 2026.