Singh VK, Piryani R, Waila P, Devaraj M. Computing Sentiment Polarity of Texts at Document and Aspect Levels. ECTI-CIT Transactions [Internet]. 2016 Apr. 6 [cited 2024 May 17];8(1):67-79. Available from: https://ph01.tci-thaijo.org/index.php/ecticit/article/view/54389