Purbaya, Muhammad Eka, Diovianto Putra Rakhmadani, Maliana Puspa Arum, and Luthfi Zian Nasifah. ā€œImplementation of N-Gram Methodology to Analyze Sentiment Reviews for Indonesian Chips Purchases in Shopee E-Marketplaceā€. Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) 7, no. 3 (June 2, 2023): 609 - 617. Accessed June 1, 2025. https://jurnal.iaii.or.id/index.php/RESTI/article/view/4726.