PurnomoAdi Setyo, SariwatiAtmira, FatmawatiSri, and PuspitasariFaradita Eka. 2022. “Effect of the Coconut Coir (Cocos Nucifera) As a Growth Medium for Pleurotus Ostreatus (Oyster Mushroom) on Mineral and Vitamin B Contents”. HAYATI Journal of Biosciences 30 (1), 95-104. https://doi.org/10.4308/hjb.30.1.95-104.