G. Bhongade, Bhagyashree, and Ashwini V.Z. “A Semi-Supervised Approach for Opinion Mining Using Online Product Review”. International Journal of Engineering and Technology 7, no. 4.5 (September 22, 2018): 143–146. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/20031.