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PENINGKATAN HASIL BELAJAR PESERTA DIDIK MELALUI LEMBAR KERJA PESERTA DIDIK BERBASIS DISCOVERY LEARNING PADA MATERI FUNGSI KUADRAT DI SMA NEGERI 1 MALINAU
Boll and Gundel's Sternglaube und Sterndeutung-Sternglaube und Sterndeutung. By Franz Boll, by W. Gundel. Pp. xii+ 211. With 20 plates and a map. Leipzig and Berlin: BG Teubnet, 1926. M. 11 (bound, 13.60).