Fawzi Khwedim, N. and Hussein Shuaa, A. 2022. Mathematical Mathematical Model of the Effect the Energy on (Y-W-D) Types of Fungi , with Exponential function: Effect the Energy on (Y-W-D) Types of Fungi , with Exponential function. Wasit Journal for Pure sciences. 1, 1 (Jul. 2022), 34–43. DOI:https://doi.org/10.31185/wjps.11.