Novitasari KA, Siswanto J, Espiyati. 53. Peningkatan Model PBL Terhadap Hasil Belajar PKN pada Siswa Kelas I SDN Gayamsari 02. psnppg [Internet]. 2023 Jul. 3 [cited 2025 Apr. 26];1(1):471-80. Available from: https://conference.upgris.ac.id/index.php/psnppg/article/view/3949