Masfria, Rehulina Gultom, and T. . Prayoga. “Mineral Analysis in Dioscorea Hispida Dennst. Tuber by Atomic Absorption Spectrophotometry”. Indonesian Journal of Pharmaceutical and Clinical Research, vol. 2, no. 1, May 2019, pp. 24-29, doi:10.32734/idjpcr.v2i1.858.