Belonwu, Donatus. C., Obubeleye Alalibo, Augustin A. Uwakwe, and Oluwatoyin. T. Adeoti. “Human Health Risk Assessment of Heavy Metals in Spices Cultivated in Okrika, Rivers State, Nigeria”. The International Journal of Science & Technoledge 5, no. 3 (March 31, 2017). Accessed July 7, 2024. http://internationaljournalcorner.com/index.php/theijst/article/view/123439.