Karlina, S.Pd.K, dan Alisnawati, S.Pd.K. “Peningkatan Kualitas Pembelajaran Agama Kristen Di Sekolah Dasar Melalui Project Based Learning”. Ambassador 1, no. 2 (Desember 10, 2022). Diakses April 25, 2026. https://ojs.sttpbb.ac.id/index.php/ambassador/article/view/30.