Items where Author is "Siahaan, Avolen Berly Indah"
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Siahaan, Avolen Berly Indah (2013) THE EFFECT OF PROBLEM BASED LEARNING MODEL ON STUDENTS ACHIEVEMENT AT LIGHT TOPIC IN 8TH GRADE SMP NEGERI 1 TEBING TINGGI A.Y. 2012/2013. Undergraduate thesis, UNIMED.