Bakri, M., S. Abidin, N. Omar, M. Hamiz, and A. Razali. “Word-Forest Visualization of Discussed Topics in Social Media Comments”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC), vol. 10, no. 1-6, Feb. 2018, pp. 109-12, https://jtec.utem.edu.my/jtec/article/view/3676.