Leo Agung, Gregorius Gregorius, and Catharina Aprita Krisna Murti, “Meningkatkan Hasil Belajar PAK Dengan Metode Problem Based Learning Fase C Kelas 6 SDN 13 Nyayum”, SEMNASPA, vol. 5, no. 2, pp. 3619–3632, Oct. 2024.