Purwani, E. Y., A. Toharisman, E. Chasanah, J. F. Laksmi, V. Welan, M. T. Suhartono, T. Purwadaria, J. K. Hwang, and Y. R. Pyun. 2012. “STUDI PENDAHULUAN ENZIM KITINASE EXTRASELULER YANG DIHASILKAN OLEH ISOLAT BAKTERI ASAL MANADO 1) [Preliminary Study of Extracellular Chitinase Produced by Bacteria Isolated from Manado]”. Jurnal Teknologi Dan Industri Pangan 13 (2), 111. https://jma.journal.ipb.ac.id/index.php/jtip/article/view/4338.