“Assessment of Certain Micronutrients (Zn, Fe, Ni, and Se) in Some Herbal Snuff Stocks Consumed in Sokoto, Nigeria”. Journal of Tropical Resources and Sustainable Science (JTRSS) , vol. 11, no. 2, Dec. 2023, pp. 17-22, https://doi.org/10.47253/jtrss.v11i2.1236.