Afdareza, Melva Yola, SMPN 4 Pekanbaru, Pekanbaru, 28141, Indonesia Faculty of Teacher Training and Education, Universitas Riau, Pekanbaru, 28293, Indonesia

• Vol 4, No 2: April 2020 - Articles
  Development of Learning Device Based on 21st Century Skill with Implementation of Problem Based Learning to Increase Critical Thinking Skill of Students on Polyhedron for Grade 8th Junior High School
  Abstract  PDF