(PHUMIRANG, P. P. D.; THONGDEE, V.; SANGSAI, P.; KUSUMAL, P. Learning Management for Developing lower Secondary Students’ Morality in Social Studies Religion and Culture Essential Subject Group of Schools under Khon Kaen Municipality. Journal of Graduate MCU KhonKaen Campus, [S. l.], v. 6, n. 4, p. 123–136, 2019. Disponível em: https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/219408. Acesso em: 9 oct. 2026.