Kongkan, Srisadet. 2020. “INTEGRATION OF LOCAL KNOWLEDGE IN WATER AND ENVIRONMENT MANAGEMENT NAMSUAY RIVER BASIN TO STRENGTHEN ECONOMIC NONG KHAI PROVINCE”. Journal of MCU Nakhondhat 7 (10). Nakhon Si Thammarat, Thailand:209-19. https://so03.tci-thaijo.org/index.php/JMND/article/view/247529.