Chanchom, C. ., S. . Thongpan, J. Leeka, and A. . Vongkhamsao. “The Philosophical Concepts of Phee-Fa of Ban Na Siew Villagers, Na Siew Sub-District, Mueang District, Chaiyaphum Province”. Journal of Graduate MCU KhonKaen Campus, vol. 6, no. 4, Dec. 2019, pp. 328-40, https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/219423.