Umarudin, Umarudin, 		Surahmaida, Surahmaida, 		Syukrianto, Syukrianto, 		Wulansari, Silvi, AND 		Nurhaliza, Siti.
" Aplikasi Hand Sanitizer Kitosan Cangkang Bekicot Sebagai Antibakteri dan Upaya Preventif Covid 19" <em>SIMBIOSA</em> [Online], Volume 9 Number 2 (25 October 2020)