LestariD. F., KawaroeM., and SalundikS. “BIOGAS PRODUCTION FROM RED MACTOALGAE (Gracilaria Verrucosa) IN BATCH SYSTEM”. Jurnal Teknologi Perikanan Dan Kelautan, Vol. 6, no. 2, Nov. 2016, pp. 179-86, doi:10.24319/jtpk.6.179-186.