kawee, W., T. Thongchai Joiychoo, T. Paesuwan, P. Rakklat, and K. Dararuang. “Challenges in the effectiveness of Provincial Waterworks Authority in an era of change”. Local Administration Journal, vol. 19, no. 2, June 2026, pp. 201-12, https://so04.tci-thaijo.org/index.php/colakkujournals/article/view/284508.