Dzulkapli, N. F. ., Abdul Talib, S. ., Ramasamy, K. . and Yin, C. Y. . (2007) “Identification of Bacterial Strains Capable of Degrading Malaysian Petroleum Sludge”, Scientific Research Journal, 4(1), pp. 49–55. doi: 10.24191/srj.v4i1.5665.