๋JG-MCUKK ๋.-M. ส่วนหน้า. Journal of Graduate MCU KhonKaen Campus, [S. l.], v. 6, n. 3, 2019. Disponível em: https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/226532. Acesso em: 19 may. 2024.