Ristiono, Ristiono

• Vol 4, No 1 (2019): Atrium Pendidikan Biologi - Articles
  The Development of Student Worksheet Based on Contextual Approach about Protist for Senior High School Grade X
  Abstract  Fullpaper
• Vol 4, No 1 (2019): Atrium Pendidikan Biologi - Articles
  The Relationship Of Parent’Attention with The Results of Science Learning Grade VIII Students of SMP Negeri 15 Padang
  Abstract  Fullpaper
• Vol 4, No 1 (2019): Atrium Pendidikan Biologi - Articles
  The Relationship Of Difficult Learning With The Results Science Study Of Students Class VIII MTsN 9 Agam Lubuk Basung Lesson Year 2018/2019
  Abstract  Fullpaper  Fullpaper