Widyawati, yeni. “PENGARUH MOTIVASI BERSAING DAN DISIPLIN BELAJAR TERHADAP PRESTASI SISWA “MTS AL-HIDAYAH DONOWARIH KARANGPLOSO MALANG”. PSIKOVIDYA 16, no. 2 (1). Accessed December 21, 2025. https://psikovidya.wisnuwardhana.ac.id/index.php/psikovidya/article/view/49.