lertsaphan, U. ., and P. M. . Thitapanyo. “THE VALUES AND IMPORTANCES OF BUDDHIST BOUNDARY STONE (BAI SEMA), FA DAET SONG YANG DISTRICT, KALASIN PROVINCE”. Journal of Graduate MCU KhonKaen Campus, vol. 7, no. 4, Dec. 2020, pp. 30-43, https://so02.tci-thaijo.org/index.php/jg-mcukk/article/view/243980.