VINAYAK PILLAI. 2024. “ENHANCED SENTIMENTAL ANALYSIS THROUGH DECISION SUPPORT SYSTEM BASED ON LEARNING TECHNIQUES USING NLTK”. INTERNATIONAL JOURNAL OF ENGINEERING AND TECHNOLOGY RESEARCH (IJETR) 9 (2): 532-52. https://lib-index.com/index.php/IJETR/article/view/IJETR_09_02_046.