I. K. Jassim, A. Y. Khudair and H. Asker k 2023. Preparation of porous silicon Wafers using sun light photo chemical etching (SLPCE). Tikrit Journal of Pure Science. 23, 7 (Jan. 2023), 78–84. DOI:https://doi.org/10.25130/tjps.v23i7.700.