Bambang Hermanto, Fajrin Muthia Muthohharoh, Nur Azizah, Mina Holihah, and Diana Noor Anggraini. “Dampak Lingkaran Pertemanan Terhadap Proses Belajar Mahasiswa”. The Indonesian Journal of Social Studies 6, no. 2 (May 31, 2023): 265–277. Accessed July 20, 2025. https://journal.unesa.ac.id/index.php/jpips/article/view/26701.