M. Mahfudz Fauzi Syamsuri
Doctoral Program of Mathematics and Natural Science, Universitas Sriwijaya, Palembang; Department of Chemistry, Faculty of Science and Technology, Universitas Islam Negeri Raden Fatah Palembang, Palembang
Indonesia

Nurlisa Hidayati
Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Sriwijaya, Indralaya; Biofuel Research Group, Laboratory of Physical Chemistry, Faculty of Mathematics and Natural Science, Universitas Sriwijaya, Indralaya
Indonesia

Addy Rachmat
Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Sriwijaya, Indralaya; Biofuel Research Group, Laboratory of Physical Chemistry, Faculty of Mathematics and Natural Science, Universitas Sriwijaya, Indralaya
Indonesia

Hasanudin Hasanudin
Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Sriwijaya, Indralaya; Biofuel Research Group, Laboratory of Physical Chemistry, Faculty of Mathematics and Natural Science, Universitas Sriwijaya, Indralaya
Indonesia