Tunio, S.Q. and Bhattacharya, S.K. and Memon, K.R. and Irawan, S. and Kyaw, A. and Abdullah, M.F.  (2014) Investigating methane adsorption potential of Malaysian coal for coal bed methane (CBM) study.  Mediterranean Journal of Social Sciences, 5 (27).  pp. 178-183.  ISSN 20399340