H. Ali, Shereen, Ali I. El Desouky, and Ahmed I. Saleh. 2016. “Notice of Retraction A New Profile Learning Model for Recommendation System Based on Machine Learning Technique”. Indonesian Journal of Electrical Engineering and Informatics (IJEEI) 4 (1): 81-92. https://doi.org/10.52549/ijeei.v4i1.210.