RIZALDI, RESKA, and Muhammad Afief Ma’ruf. “Reducing Soil Permeability for TPA (Final Disposal Site) Using Bacillus Subtilis Mycobacteria”. Technium: Romanian Journal of Applied Sciences and Technology 29 (May 9, 2025): 53–63. Accessed April 17, 2026. https://www.techniumscience.com/index.php/technium/article/view/12794.