Partial oxidation of methane to methanol over catalyst ZSM-5 from coal fly ash and rice husk ashFusia Mirda Yanti, S.D. Sumbogo Murti, Yuni K. Krisnandi and AdiarsoMATEC Web Conf., 101 (2017) 02005DOI: https://doi.org/10.1051/matecconf/201710102005