Ida Christi V E, Krishnaprabha C, Blesson Sha Fogarty N I, Sangilimuthu A, and Kumutha D. “Estimation of Heavy Metals in Selected Medicinal Herbs”. International Journal of Research in Pharmaceutical Sciences, Vol. 11, no. 3, Aug. 2020, pp. 4619-24, doi:10.26452/ijrps.v11i3.2745.