Chaikulap, I., Mantra , R. and Somjan, N. (2026) “Factors Affecting the Development of ‘One Sub-district, One Product’ Products in Loei Province”, Dhammathas Academic Journal, 26(1), pp. 165–176. available at: https://so06.tci-thaijo.org/index.php/dhammathas/article/view/284092 (accessed: 18 September 2026).