Indah Pramesti, Riza, Dewi Wulandari, Nita Kusumawardani, and Heri Maria Zulfiati. 2023. “The Influence of the Problem Based Learning Model Based on Tri Nga Teachings on Social Sciences Learning Outcomes in Elementary : Pengaruh Model Problem Based Learning Berbasis Ajaran Tri Nga Terhadap Hasil Belajar IPS Di Sekolah Dasar”. Perspektif : Jurnal Pendidikan Dan Ilmu Bahasa 1 (4):235-44. https://doi.org/10.59059/perspektif.v1i4.721.