Jagessar R.C. “An Evaluation of Metal Cations and Anions Concentration in Surface Water from Six Selected Areas of Coastal Guyana via Flame Atomic Spectroscopy”. International Journal of Research in Chemistry and Environment (IJRCE), vol. 5, no. 3, June 2015, pp. 10-17, https://ijrce.org/index.php/ijrce/article/view/321.