LINK PREDICTION TECHNIQUES IN SOCIAL NETWORKS: A COMPREHENSIVE REVIEW OF TRADITIONAL, MACHINE LEARNING, GRAPH NEURAL NETWORK, AND TRANSFORMER-BASED APPROACHES . Pimrj [Internet]. 2026 Aug. 21 [cited 2026 Aug. 27];4(3):111-26. Available from: https://pimrj.org/index.php/pimrj/article/view/398