PHOTHISA, B.; WORAKHAM, P. The Development of Problem-Based Learning Activities to Promote Science Process Skills of Grade 1 Students. Journal of Education Rajabhat Maha Sarakham University, Maha Sarakham, Thailand, v. 21, n. 2, p. 39–48, 2024. Disponível em: https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/264484. Acesso em: 11 dec. 2025.