PURWANI, N. P. R.; DARSANA, I. W.; MANUABA, I. B. S. Pengaruh Model Pembelajaran Picture and Picture Berbasis Portofolio Terhadap Hasil Belajar IPA Siswa. International Journal of Elementary Education, [S. l.], v. 2, n. 3, p. 165–172, 2018. DOI: 10.23887/ijee.v2i3.15955. Disponível em: https://ejournal.undiksha.ac.id/index.php/IJEE/article/view/15955. Acesso em: 6 mar. 2025.