Items where Author is "Siahaan, Risma"
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Number of items: 2.
Siahaan, Risma (2020) Pengembangan Bahan Ajar Berorientasi Kemampuan Berpikir Kritis Pada Pelajaran Kimia Kelas XI SMA. Masters thesis, UNIMED.
Marpaung, Nurlela Ramadani and Siahaan, Melinda Giovanny and Purba, Bambang Enra Priando and Siahaan, Risma (2016) PENERAPAN MODEL PROBLEM BASED LEARNING TERHADAP PENINGKATAN HASIL BELAJAR REAKSI REDOKS. In: Seminar Nasional Kimia dan Pendidikan Kimia 2016, 30-31 May 2016, Medan.