Wasiyem, Wasiyem, Rika Halimah, Tri Sisty Annisa Sinaga, Najla Fazila Windra, Natasya Balqis, and Alfikri Syahtua Siregar. “Kecenderungan Social Loafing (Kemalasan Sosial) Dalam Tugas Kelompok Pada Mahasiswa UIN Sumatera Utara”. QISTINA: Jurnal Multidisiplin Indonesia 4, no. 1 (June 28, 2025): 1377–1385. Accessed June 13, 2026. https://rayyanjurnal.com/index.php/qistina/article/view/6568.