Lindriati, T., 		Praptiningsih, Y., & 		Wijayanti, D.
(2014).
 Physical Characteristics of Edible Film Gel Made under Various pH and Ratio of Casein and Tapioca.
<em>Jurnal ILMU DASAR, 15</em>(1), 51-58.
doi:10.19184/jid.v15i1.614