Ayanda, Opeyemi, Tolulope Ajayi, and Olayemi Bilewu. “Analysis of Some Heavy Metals in Cow Skin (Ponmo) Sold at Major Markets in Ado-Odo Ota LGA, Ogun State, Nigeria: doi.org 10.26538 Tjnpr V5i6.3”. Tropical Journal of Natural Product Research (TJNPR) 5, no. 6 (June 1, 2021): 1006–1009. Accessed May 13, 2024. https://www.tjnpr.org/index.php/home/article/view/567.