Sustainable application of medicinal residue as a replacement substrate for Gray Oyster mushroom (Pleurotus ostreatus) cultivationHuynh Thi Kim Huyen, Nguyen Thi Hoai Ni, Vo Huu Quang Duy, Le Thi Hong Tuyet, Do Vinh Duong and Thanh TranE3S Web Conf., 621 (2025) 01010DOI: https://doi.org/10.1051/e3sconf/202562101010