Erfiani Lubis, Khoiriyah Syaharani Ritonga, Farhan Pulungan. PENGARUH MANAJEMEN KESISWAAN TERHADAP PRESTASI BELAJAR PESERTA DIDIK DI SMP SWASTA ISLAM NUR IHSAN BANDAR SELAMAT MEDAN TEMBUNG. CES [Internet]. 2026 May 31 [cited 2026 May 31];4(2). Available from: https://cemarajournal.com/journal/index.php/ces/article/view/213