Wardani, P., & -, W. (2020). Pengaruh Model Problem Based Learning dan Problem Solving terhadap Kemampuan Pemecahan Masalah Mupel IPA Kelas IV Sekolah Dasar Gugus Sembodro. Jurnal Ilmiah Wahana Pendidikan, 6(2), 176-184. Retrieved from https://jurnal.peneliti.net/index.php/JIWP/article/view/321