TY - JOUR TI - Effects of Process Variables on the Yield and Viscosity of Methyl Esters Derived from Prunus Amygdalus, Dyacrodes Edulis and Chrysophyllum Albidium AU - ESONYE, C. AU - ONUKWULI, O.D. AU - OFOEFULE, A.U. JO - Sigma Journal of Engineering and Natural Sciences PY - 2019 VL - 37 SP - 25 EP - 40 DO - ER -