PurnomoA. S., SariwatiA., FatmawatiS. and PuspitasariF. E. (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), pp. 95-104. doi: 10.4308/hjb.30.1.95-104.