Al Umar, Yusuf Sarkingobir, Shehu Sarkin Gobir, Sulaiman Aliyu, Umar Tambari, Abdulrahman Hamza. Evaluation of Some Heavy Metals Contents in Soil and Tobacco Grown in Sokoto, Nigeria. kaunia [Internet]. 2023 May 9 [cited 2025 Jan. 20];19(1):9-14. Available from: https://ejournal.uin-suka.ac.id/saintek/kaunia/article/view/3980