Pasca, Philips Pasca G Siagian, Universitas Negeri Medan, Indonesia

• Advances in Social Sciences Research Journal Vol. 6 No. 7 (2019): Advances in Social Sciences Research Journal - Articles
  THE ANALYSIS OF DIFFICULTY OF STUDENT’S GEOMETRY PROBLEM SOLVING BASED ON VAN HIELE’S THINKING THEORY WITH MACROMEDIA FLASH
  Abstract  PDF