MARAYA, Efrain Arnold. UPAYA MENINGKATKAN HASIL BELAJAR DAN AKTIVITAS BELAJAR PESERTA DIDIK MELALUI PENILAIAN PORTOFOLIO PADA MATERI KONSEP MOL. Global Journal Teaching Professional, [S. l.], v. 2, n. 4, p. 151–162, 2023. DOI: 10.35458/jtp.v2i4.1160. Disponível em: https://jurnal.sainsglobal.com/index.php/gpp/article/view/1160. Acesso em: 9 may. 2026.