MAMUN- AR- RASHID, RAUSAN ZAMIR, NAZMUL ISLAM, HASAN AHMED, and CHOUDHURY M. ZAKARIA, “Assessment of Toxic Metals in Commonly Used Energy-Stimulating Herbal Drugs Manufactured in Rajshahi City, Bangladesh: Toxic metals in energy- stimulating herbal drugs”, BJRST, vol. 13, no. 2, pp. 142–150, Dec. 2023.