Ugwu Patience, U. P., Inyagha Stella, I. S., Udodeme Helen, U. H. and Diovu Edith, D. E. (2018) “Effect of heavy metals on the features of medicinal plants at a quarrying site, in Ishi-Agu Ebonyi state Nigeria”, International Journal of Indigenous Herbs and Drugs. India, pp. 5-11. Available at: https://www.saapjournals.org/index.php/herbsanddrugs/article/view/69 (Accessed: 27April2026).