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Pakpahan FK, Purba NA, Sianturi CL. Pengaruh Model Problem Based Instruction terhadap Hasil Belajar Siswa Kelas V di SD Negeri 122350 Pematang Siantar . JPDK [Internet]. 2022Oct.23 [cited 2024Jun.30];4(5):7060-71. Available from: http://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/7852