Quejano, Eymard, Paul Duenas, Armani Alcayaga, & Astrid Ayla E. Liberato.
" FABRICATION AND CHARACTERIZATION OF CHITOSAN-COATED-POLYVINYL ALCOHOL COMPOSITE FILM." <em>Philippine Engineering Journal</em> [Online], 33.1 (2012): n. pag. Web.  6 Aug. 2025