Mingtao Zhen, Xinyu Zhang,. “Rural Residents Participate in the Simulation of Toilet Renovation Under the Established Policy—Based on Research of Hebei Anguo City”. Design Engineering (June 30, 2021): 2433-2442. Accessed April 28, 2024. http://thedesignengineering.com/index.php/DE/article/view/2365.