Enhancing methane production by adding Fe3+ in mesophilic anaerobic digestion of cheese wasteYusron Sugiarto, Bintang Pamungkas, Yusuf Wibisono, Ni’matul Izza, Elya Mufidah, Inggit Kresna Maharsih, Wahyunanto Agung Nugroho, Imam Sofi’i and Mingming ZhuBIO Web Conf., 165 (2025) 09003DOI: https://doi.org/10.1051/bioconf/202516509003