Petroleum source rock evaluation of the Sebahat and Ganduman Formations, Dent Peninsula, Eastern Sabah, Malaysia by Mustapha, K.A., Abdullah, W.H.

Organic geochemistry and palynology of coals and coal-bearing mangrove sediments of the Neogene Sandakan Formation, Northeast Sabah, Malaysia by Mustapha, K.A., Abdullah, W.H., Konjing, Z., Gee, S.S., Koraini, A.M.

Coal-bearing strata of Labuan: Mode of occurrences, organic petrographic characteristics and stratigraphic associations by Abdullah, W.H., Lee, C.P., Gou, P., Shuib, M.K., Ng, T.F., Albaghdady, A.A., Mislan, M.F., Mustapha, K.A.