 @article{song_wang_2021,  title={Development and characterization of edible bilayer films based on iron yam–pea starch blend and corn zein},  volume={41},  ISSN={0101-2061},  url={https://doi.org/10.1590/fst.29820},  DOI={10.1590/fst.29820},  journal={Food Science and Technology},  publisher={Sociedade Brasileira de Ciência e Tecnologia de Alimentos},  author={SONG, Xiaoyong and WANG, Yiqi},  year={2021},  pages={684–694} }