Abegunde, S. M. ., A. O. . Oyebanji, and O. . Osibanjo. “Evaluation of Digestion Procedures on Heavy Metals in Soil of a Dumpsite in Ibadan, South-Western Nigeria”. Suan Sunandha Science and Technology Journal, vol. 5, no. 2, Dec. 2022, pp. 1-5, https://li02.tci-thaijo.org/index.php/ssstj/article/view/335.