Gasim, M. B.; Toriman, M. E.; Barggig, A.; Mutfah, S.; Hairoma, N.; Endut, A. The Evaluation of Heavy Metals Concentrations in Cempaka Lake, Bangi, Selangor, Malaysia. Int. J. Adv. Sci. Eng. Inf. Technol. 2017, 7, 453-459.