Udom Meethet, Phatsakorn Donkjan, Chot Bodeerat, Mantana Norkaew, Pipat Panma, Phasin Phanich,. “The Merger Guidelines for the Small Local Administrative Organizations for Disposing Wastes in Phitsanulok Province”. Design Engineering (September 30, 2021): 258-264. Accessed March 29, 2024. http://thedesignengineering.com/index.php/DE/article/view/4874.