HIDAYAH, Ratna; PUJIASTUTI, Pratiwi. PENGARUH PBL TERHADAP KETERAMPILAN PROSES SAINS DAN HASIL BELAJAR KOGNITIF IPA PADA SISWA SD. Jurnal Prima Edukasia, [S. l.], v. 4, n. 2, p. 186–197, 2016. DOI: 10.21831/jpe.v4i2.7789. Disponível em: https://journal.uny.ac.id/index.php/jpe/article/view/7789. Acesso em: 19 may. 2025.