C. Onuoha, Samuel, Prince N. Okoroh, and Ruth A. Tom-Quinn. “Proximate Composition, Essential Heavy Metal Concentrations and Nutrient Density of the Mycelium and Fruiting Bodies of Organically Cultivated Pleurotus Ostreatus”. Journal of Applied Life Sciences International 24, no. 9 (December 16, 2021): 44-52. Accessed January 23, 2022. https://journaljalsi.com/index.php/JALSI/article/view/30260.