Abdullah, A., S. Subramaniam, J. Arshad, and K. Wong. “Distribution of 14C-DDT and Its Metabolites in a Model Mudflat Ecosystem”. Malaysian Journal of Science, vol. 18, no. 1, Apr. 1999, pp. 73-77, https://juku.um.edu.my/index.php/MJS/article/view/9393.