Vu, D., Nguyen, N., & Nguyen, T. (2011). DETERMINING OPTIMIZED CONDITIONS FOR REMOVAL OF CHLOROPHYLL IN EXTRACTED LIQUID FROM NEEM LEAVES BY DISTILLED WATER BY RESPONSE SURFACE METHOD. Science and Technology Development Journal, 14(4), 36-42. https://doi.org/https://doi.org/10.32508/stdj.v14i4.2046