R Annisa and Esti Hendradi and Mochamad Yuwono (2020) Analysis of 1,4 naphthoquinone in the Indonesian medical plant from extract Eleutherine palmifolia (L.) Merr by UHPLC. In: The 10th International Conference on Green Technology (ICGT) "Empowering the Fourth Industrial Revolution through Green Science and Technology. IOP Conference Series: Earth and Environmental Science (456). IOP Publishing, Malang, pp. 1-7.