Bicos, Darlene Grace N., Joshua L. Magno, Kurt Russell Ortiz, Patricia V. Villarico, Rosel V. Babalcon, and Roselle C. Gonzales. “Effectiveness of Sugarcane Straw Ash and Pulverized Used Paper for Stabilization of Vertisols Soil”. Engineering And Technology Journal 8, no. 5 (May 24, 2023): 2222–2262. Accessed July 22, 2024. https://everant.org/index.php/etj/article/view/922.