G., Ambikesh, S. Shrikantha Rao, and K. Chandrasekaran. 2023. “Application of Machine Learning in Movie Recommendation Using Harris Hawks Optimization and K-Means (HHO-K-Means) Clustering”. International Journal of Intelligent Systems and Applications in Engineering 11 (7s):515-25. https://ijisae.org/index.php/IJISAE/article/view/2990.