Composite Catalyst of Palm Mill Fly Ash-Supported Calcium Oxide Obtained from Eggshells for Transesterification of Off-Grade Palm Oil

by Zuchra Helwani, Muliadi Ramli, Edy Saputra, Yogi Lesmana Putra, Desly Fadila Simbolon, Mohd Roslee Othman, Rinaldi Idroes
Published 2020-06-01