Azlan, M. A., Zainalabidin, N., & Elias, N. H. (2025). Effect of Calcium Source from Golden Apple Snail’s Shell on Soil Nutrient and pH. International Journal of Biomass Utilization and Sustainable Energy (IJBUSE), 3, 53–61. https://doi.org/10.58915/ijbuse.v3.2025.2728