Nunki, N. et al. 2020. PURPLE SWEET POTATO (Ipomoea batatas L.) PEELS EXTRACT AS AN ALTERNATIVE DYE FOR BACTERIA GRAM STAINING. Indonesian Journal of Medical Laboratory Science and Technology. 2, 2 (Aug. 2020), 76–84. DOI:https://doi.org/10.33086/ijmlst.v2i2.1655.