EFEKTIVITAS MODEL PROBLEM BASED LEARNING BERBANTUAN MEDIA SCRAPBOOK TERHADAP KEMAMPUAN MENULIS KARANGAN DESKRIPSI SISWA KELAS IV SD INPRES 7/83 POLEONRO. Nusa Didakta. 2026;1(2):52-62. Accessed October 16, 2026. https://nusadidaktika.com/nusadidaktika/article/view/35