A Survey of Students’ Awareness on Food Waste Problems and Their Behaviour Towards Food Wastage: a Case Study of Diponegoro University (UNDIP), IndonesiaPraygod Mganga, Syafrirudin Syafrudin and Amirudin AmirudinE3S Web Conf., 317 (2021) 01071DOI: https://doi.org/10.1051/e3sconf/202131701071