Proximate composition of Pekasem/fermented barnacle from Bangka Belitung Mu’alimah Hudatwi, Irma Akhrianti, Agung Priyambada and Umroh BIO Web Conf., 106 (2024) 05001 Published online: 03 May 2024 DOI: 10.1051/bioconf/202410605001