jantu, wittaya, Thammarakcharoen, S., Janthong, M., MangSurai, S., Salakhan, C., Jareanjit, S. and Kongsombat, T. (2026) “ Kalasin province”., Koch Cha Sarn Journal of Science, 48(1), pp. 29–35. available at: https://li01.tci-thaijo.org/index.php/kochasarn/article/view/268493 (accessed: 2 September 2026).