Supriya Kamble, Prof. Sulbha Ghadling,Kanchan Belavadi, Shubhangi Bhegade, Pradnya Ghojage,. 2015. “Digital Library: Using Hybrid Book Recommendation Engine”. International Journal of Engineering and Computer Science 4 (11). india. http://ijecs.in/index.php/ijecs/article/view/2850.