Le, T. K. N., L. S. . Hoang, and N. Le. “Formulation and Evaluation of Herbal Emulsion-Based Gel Containing Combined Essential Oils from Melaleuca Alternifolia and Citrus Hystrix”. Jordan Journal of Pharmaceutical Sciences, vol. 17, no. 1, Mar. 2024, pp. 163-7, doi:10.35516/jjps.v17i1.1570.