Amobillisasi sel lactobaellus acldophilus FNCCii6 dan bacillus licheniformis F11,4 untuk demineralisasi dan deproteinasi limbah kulit udang dalam pengelolahan KITIN = Cell Immobilization of Lactobasillus acidophilus FNCC116 nad Bacillus licheniformis F11.4 for demineralization and deproteinization in bioprocessing chitin recovery from shrimp shell waste