Obidike, B., Okwara, N., Verla, A., Ebere, E. and Mgbagwu, J. (2022) “Optimization and effect of varying catalyst concentration and trans-esterification temperature on the yield of biodiesel production from palm kernel oil and groundnut oil”, Analytical Methods in Environmental Chemistry Journal, 5(03), pp. 55-69. doi: 10.24200/amecj.v5.i03.203.