Hapsari AI, Kurniawan ES, Maftukhin A. Efektivitas Model Double Loop Problem Solving Terhadap Sikap Ilmiah Siswa SMA Negeri 7 Purworejo Tahun Pelajaran 2016/2017. Radiasi [Internet]. 2017Sep.30 [cited 2024Nov.15];10(1):18-3. Available from: https://ebook.umpwr.ac.id/index.php/radiasi/article/view/184