PENGARUH IMPLEMENTASI ASESMEN PORTOFOLIO TERHADAP SIKAP DAN LITERASI SAINS SISWA KELAS IV SD MASBAGIK UTARA. Jurnal, Pendidikan [Internet]. 2018 Dec. 16 [cited 2026 Jun. 18];3(3). Available from: https://ejournal.mandalanursa.org/index.php/JUPE/article/view/1299