(RONNAYUT UTTAMO), P. U.; THITAPANYO, P. M. VIPASSANAWONGS. Journal of Graduate MCU KhonKaen Campus, [S. l.], v. 7, n. 1, p. 297–306, 2020. Disponível em: https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/235566. Acesso em: 16 sep. 2026.