Stengthening of Edible Film From Corn Starch and Iota Carrageenan with Butterfly Pea Flower Extraction (Clitoria ternate L) AdditionSetia Budi Sasongko and Fitri Lita AgustinaE3S Web Conf., 503 (2024) 09005DOI: https://doi.org/10.1051/e3sconf/202450309005