Yutan, Muangkaew. “PROBLEM STUDY SOLUTION AND PREVENTION IN THE INSTALLATION OF SANITARY SYSTEMS OF HIGH-RISE OR EXTRA-LARGE BUILDINGS”. Journal of Energy and Environment Technology of Graduate School Siam Technology College 9, no. 1 (June 23, 2022): 23–35. Accessed April 25, 2024. https://ph01.tci-thaijo.org/index.php/JEET/article/view/246876.