Hikmawanti, N. P. E., Hanani, E., Maharani, S. ., & Putri, A. I. W. (2021). Piperine Levels in Java Chili and Black Fruits Extracts from Regions with Different Altitude. Jurnal Jamu Indonesia, 6(1), 16–22. https://doi.org/10.29244/jji.v6i1.176