Siti Rohaidah Ahmad, Nurhafizah Moziyana Mohd Yusof, Siti Hajar Zainal Rashid, and Abdul Ghapor Hussin. 2020. “A REVIEW ON TECHNIQUES AND CHALLENGES IN SENTIMENT ANALYSIS OF STUDENT’S COMMENTS”. Zulfaqar Journal of Defence Science, Engineering & Technology 3 (2). https://zulfaqarjdset.upnm.edu.my/index.php/zjdset/article/view/30.