Potential Of Various Types of Media for Breeding Oyster Mushroom F2 Widiwurjani, Ida Retno Mulyani, Ilmatus Sa’diyah and N.K. Sari E3S Web Conf., 328 (2021) 08015 Published online: 06 December 2021 DOI: 10.1051/e3sconf/202132808015