Vu, D., N. Nguyen, and T. Nguyen. “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, Vol. 14, no. 4, Dec. 2011, pp. 36-42, doi:https://doi.org/10.32508/stdj.v14i4.2046.