Yustica, F. K., Widiastuti, N. I., Sapitri, N. and Fitriastuti, D. (2019) “Essential oils from Alpinia purpurata (Zingiberaceae): Chemical composition and Formulation of antiacne cream”, INDONESIAN JOURNAL OF CHEMICAL RESEARCH, 4(1), pp. 14–21. doi: 10.20885/ijcr.vol4.iss1.art3.