1.
PENGARUH MODEL PEMBELAJARAN PORTOFOLIO TERHADAP KESULITAN BELAJAR SISWA . Jurnal Inovasi Sekolah Dasar, The Indonesian Journal of Inovation School Education. 2026;2(1):34-38. Accessed May 28, 2026. https://jurnal.unimed.ac.id/2012/index.php/jisd/article/view/70484