Hassan M. H. Mustafa & Mohamed I. A. Ibrahim 2021. On Artificial Neural Networks’ Modelling of Non-Properly Prepared Teachers’ Implication on Students’ Academic Performance, Adopting Noisy Contaminated Optical Character Recognition (OCR). Novel Perspectives of Engineering Research Vol. 2. (Oct. 2021), 119–131. DOI:https://doi.org/10.9734/bpi/nper/v2/13229D.