Jimmy Iqbal Wiranata Siregar, Andysah Putera Utama Siahaan, Muhammad Iqbal, Darmeli Nasution, and Rian Farta Wijaya. “SENTIMENT CLASSIFICATION ON E-COMMERCE USER REVIEWS WITH NATURAL LANGUANGE PROCESSING (NLP) AND SUPPORT VECTOR MACHINE (SVM) METHODS”. International Journal Of Computer Sciences and Mathematics Engineering, vol. 4, no. 1, Mar. 2025, pp. 37-41, https://ijecom.org/index.php/IJECOM/article/view/105.