P, Chandra, et al. “Formulation and Evaluation of Hair Tonic Gel Preparations Resistance Water Fraction N-Hexan Fruit Curm (Phoenix Dactylifera L.)”. Asian Journal of Pharmaceutical Research and Development, vol. 8, no. 4, Aug. 2020, pp. 4-6, doi:10.22270/ajprd.v8i4.772.