Optimization of a honey dehydration system using a Grey-based Taguchi method Hoang-Bach Vu, Hai-Quang Vu, Thai-Son Pham and Tran-Tho Dang E3S Web Conf., 624 (2025) 02004 Published online: 08 April 2025 DOI: 10.1051/e3sconf/202562402004