@article{articleff778966,
title   = {Development and evaluation of a novel pH indicator biodegradable film based on cassava starch},
author = {Santos, Pricila Veiga dos and Ditchfield, Cynthia and Tadini, Carmen Cecília},
year = {2011},
doi = {10.1002/app.33255},
journal   = {Journal of Applied Polymer Science}
}