Tampubolon, Togi, Universitas Negeri Medan, Indonesia

• Vol 2, No 1 (2020): ISER - Articles
  THE EFFECT OF THE PROBLEM BASED LEARNING (PBL) MODEL WITH POLYA TECHNIQUES ON STUDENTS 'COGNITIVE LEARNING OUTCOMES IN BASIC BUSINESS AND ENERGY MATERIALS IN CLASS X SEMESTER II SENIOR HIGH SCHOOL 1 BATANG KUIS
  Abstract  PDF

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