Sari, R. P., Z. Efa Harnis, and N. Irmayanti Harahap. “Phytochemical Screening and Formulation of Hand Sanitizer Gel Preparations from Temu Hitam Rhizome Extract (Curcuma Aeruginosa Roxb)”. International Journal of Science, Technology & Management, Vol. 3, no. 6, Nov. 2022, pp. 1812-9, doi:10.46729/ijstm.v3i6.684.