Suwanjan ท., Rattanapan ก., Jitpukdee ส., Uieng จ., Tantikamton ข. . and Vongtanaboon ส. (2021) “Community Participation in Raw Water Source Management for Water Supply Production of Provincial Waterworks Authority: A Case Study of the Trang River, Trang Province”, Journal of Vocational Institute of Agriculture, 5(2), pp. 32–48. Available at: (Accessed: 26 June 2022).