Upaya Meningkatkan Motivasi Belajar melalui Problem Based Learning (PBL) pada Materi Teknik Dasar Produksi Tanaman di Kelas X SMK Negeri 1 Bawen. psnppg [Internet]. 2024 Dec. 31 [cited 2026 Aug. 12];3(2):2503020372. Available from: https://conference.upgris.ac.id/index.php/psnppg/article/view/7387