Firmansyah, Reyhan, Ayu Fakhira Yuliananda, Srie Muljani, and Luluk Edahwati. 2026. “Synthesis of Ca–Si–K–P Composite from Carbide Lime and Rice Husk Using Precipitation Method”. International Journal of Eco-Innovation in Science and Engineering (IJEISE) 7 (01):39-46. https://ijeise.upnjatim.ac.id/index.php/ijeise/article/view/215.