VINAYAK PILLAI. “ENHANCED SENTIMENTAL ANALYSIS THROUGH DECISION SUPPORT SYSTEM BASED ON LEARNING TECHNIQUES USING NLTK”. INTERNATIONAL JOURNAL OF ENGINEERING AND TECHNOLOGY RESEARCH (IJETR) 9, no. 2 (October 22, 2024): 532–552. Accessed March 14, 2025. https://lib-index.com/index.php/IJETR/article/view/IJETR_09_02_046.