Nwobasi, V.N., Igbokwe, P.K. and Okewale, A.O. 2022. Empirical Modeling and Optimization of Base Activated Ngbo Catalysts in Esterification Reaction Using Response Surface Methodology. Journal of Engineering Research and Reports. 22, 8 (May 2022), 1–20. DOI:https://doi.org/10.9734/jerr/2022/v22i817550.