MALLONGA, Rosalio A.. Building Codes and Regulations as They Relate to the Improvement of the Living Conditions of the Poor. Philippine Engineering Journal, [S.l.], v. 2, n. 1, nov. 2021. ISSN 2718-9287. Available at: <https://journals.upd.edu.ph/index.php/pej/article/view/8416>. Date accessed: 10 sep. 2025.