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Prof. hj. Poppy Yaniawati, - and Yaya Sukjaya Kusumah (2017) THE USE OF CORE MODEL IN ENCHANCING THE MATHEMATICAL REASONING ABILITY OF JUNOR HIGH SCHOOL. In: UNSPECIFIED.
Dr, Nenden Mutiara Sari, - and Prof. hj. Poppy Yaniawati, - and Bana G. Kartasasmita, - and Darhim, - THE EFFECT OF DIFFERENTWAYS IN PRESENTING TEACHING MATERIALS ON STUDENT MATHEMATICAL PROBLEM SOLVING ABILITIES. In: UNSPECIFIED.