Singgalen, Yerik Afrianto. “Digital Marketing of Smartphone Manufacturing Product: Toxicity, Social Network, and Sentiment Classification”. International Journal on Social Science, Economics and Art 14, no. 1 (April 8, 2024): 73–86. Accessed March 15, 2026. https://ijosea.isha.or.id/index.php/ijosea/article/view/442.