SitiNurRahmawati. UPAYA MENINGKATKAN MOTIVASI BELAJAR MELALUI LAYANAN BIMBINGAN KLASIKAL METODE PROBLEM BASED LEARNING PADA PESERTA DIDIK KELAS XI SMA NEGERI 9 SEMARANG. psnppg [Internet]. 2024 Dec. 24 [cited 2025 Dec. 5];2(1):62-8. Available from: https://conference.upgris.ac.id/index.php/psnppg/article/view/5975