Aminu Umar Imam, Sarkingobir, Y. ., Dikko, . M. ., Ahmad Zayyanu, Yusuf Yahaya Miya and Mansur Ahmad (2023) “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) , 11(2), pp. 17–22. doi: 10.47253/jtrss.v11i2.1236.