Siddiqi, H. . A., A. . B. Munshi, G. D, and G. . J. Filck. “Level of Organochlorine Pesticides and Polychlorinated Biphenyls in Shellfisheries and Flounder Eggs at Virgin Ia Beach Using Matrix Solid Phase Dispersion”. Biological Sciences - PJSIR, vol. 50, no. 5, Oct. 2007, pp. 321-6, https://v2.pjsir.org/index.php/biological-sciences/article/view/1027.