EFEKTIVITAS MODEL PROBLEM BASED LEARNING BERBANTUAN MEDIA SCRAPBOOK TERHADAP KEMAMPUAN MENULIS KARANGAN DESKRIPSI SISWA KELAS IV SD INPRES 7/83 POLEONRO. Nusa Didakta [Internet]. 2026 Oct. 7 [cited 2026 Oct. 16];1(2):52-6. Available from: https://nusadidaktika.com/nusadidaktika/article/view/35