Yudha S, Salprima, Morina Adfa, Swadexi Istiqphara, and Muhamad Alvin Reagen. 2023. “Bismuth Silicate/Silica-Titania Synthesis from In Situ Decomposition of Oil Palm Leaves As Silica Source”. Science and Technology Indonesia 8 (3):397-402. https://doi.org/10.26554/sti.2023.8.3.397-402.