S. Ismail, Ibrahim, et al. “Acute Toxicity Study and Elemental Analysis of Gasca N Herbal Product: doi.org 10.26538 Tjnpr V3i6.6”. Tropical Journal of Natural Product Research (TJNPR), vol. 3, no. 6, June 2019, pp. 216-20, https://tjnpr.org/index.php/home/article/view/985.