Utilization of mango seed waste and lemongrass leaf extract as biomaterials for edible coating productHamidah Harahap, Angelia P. Galatea, Ricky R.E. Gultom, Halimatuddahliana, Ayuni Yustira and M. Hendra S. GintingE3S Web Conf., 560 (2024) 02012DOI: https://doi.org/10.1051/e3sconf/202456002012