SuhandanaM., NurhayatiT., and AmbarsariL. “CHARACTERIZATION OF CRUDE EXTRACT POLYPHENOLOXIDASE ENZYME FROM BLACK TIGER SHRIMP (Penaeus Monodon)”. Jurnal Ilmu Dan Teknologi Kelautan Tropis, Vol. 5, no. 2, Dec. 2013, doi:10.29244/jitkt.v5i2.7564.