“A Synopsis of the Polyvalent Qualities of Zeolite-Clinoptilolite and the Proposed Uses Within the Namibian Medical, Pharmaceutical, Industrial and Economical Sectors: A Proposal for an Integrated Research”. International Science and Technology Journal of Namibia, June 2014, pp. 042-51, https://journals.unam.edu.na/index.php/ISTJN/article/view/1127.