Shah, Z.A., et al. “Comparative Study on Cultivation and Yield Performance of Oyster Mushroom (Pleurotus Ostreatus) on Different Substrates (Wheat Straw, Leaves, Saw Dust)”. Pakistan Journal of Nutrition, vol. 3, no. 3, Apr. 2004, pp. 158-60, https://doi.org/10.3923/pjn.2004.158.160.