Yolanda, N. T., & Agustono, A. (2020). Extraction Process and Physics Chemical Characterization of Agar Powders from Gracilaria sp. Laboratory Scale in PT. Java Biocolloid Surabaya. Journal of Marine and Coastal Science, 7(3), 127–138. https://doi.org/10.20473/jmcs.v7i3.20740