ศุขะวาที พ. (2016) “คิดนอกกรอบ”, Journal of Education Studies, Chulalongkorn University. Bangkok, Thailand, 44(2), pp. 280–282. available at: https://so02.tci-thaijo.org/index.php/EDUCU/article/view/71827 (accessed: 11 September 2026).