ชมจุมจัง ส.; แสงวณิช ข. Effects of Spatial Activities on Drawing Skills for Sixth Grade Students. Journal of Education Studies, Chulalongkorn University, Bangkok, Thailand, v. 47, n. Suppl. 2, p. 310–327, 2019. Disponível em: https://so02.tci-thaijo.org/index.php/EDUCU/article/view/232863. Acesso em: 16 sep. 2026.