Manurung, Nurhasnah, FKIP Universitas Islam Sumatera Utara, Indonesia
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Vol 2, No 1 (2019): Juni 2019 - Articles
Penerapan Model Problem Based Learning Bantuan Media Video Terhadap Hasil Belajar Biologi Materi Sistem Ekskresi Kelas XI SMA Pencawan School Medan
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