ผาระนัด ว. (Theory U). Journal of Research and Development Institute Rajabhat Maha Sarakham University, [S. l.], v. 2, n. 2, p. 29–35, 2015. Disponível em: https://so03.tci-thaijo.org/index.php/rdirmu/article/view/211701. Acesso em: 7 may. 2024.