Urabe, A.A. et al. 2023. Influence Study of Etching Time for Porous Silicon on Morphological, Optical, Electrical and Spectral Responsivity Properties. Al-Mustansiriyah Journal of Science. 34, 2 (Jun. 2023), 113–120. DOI:https://doi.org/10.23851/mjs.v34i2.1223.