Optimizing Edible Film from Corn Cobs with Surface Response MethodNi Ketut Sari, Adelia Hayu Regita, Dimas Wahyu Dwi Putra, Dira Ernawati and Widi WurjaniE3S Web Conf., 328 (2021) 08009DOI: https://doi.org/10.1051/e3sconf/202132808009