Sugiyanto, Sugiyanto. “KONTRIBUSI MOTIVASI BERPRESTASI TERHADAP PRESTASI AKADEMIK SISWA KELAS XI SMA NEGERI 10 SEMARANG”. Paradigma 4, no. 08 (October 17, 2015). Accessed May 23, 2025. https://journal.uny.ac.id/index.php/paradigma/article/view/5932.