The Role of Raw Material Quality in Reducing Guest Complaints in Hotel Culinary OperationsFirmansyah Aulia, Rachmawati Annisa Noor, Saputro Hendri Gigih, Amalia Firda Rachma and Handoko Rudi TriSHS Web Conf., 226 (2025) 01020DOI: https://doi.org/10.1051/shsconf/202522601020