2026. Construction and Engineering Practice of IoT Management and Control System for Sewage Treatment in Mountainous Counties——Taking the Intelligent Transformation of Wencheng Jingyuan Sewage Treatment Co., Ltd. as an Example. The Development of Humanities and Social Sciences. 2, 3 (Jul. 2026), 72–79. DOI:https://doi.org/10.71204/jczbfz95.