Helendra, Helendra, UNP, Indonesia

• Vol 4, No 3 (2019): Atrium Pendidikan Biologi - Articles
  Analyzed of the Quality of Midterm Exam I Questions for Grade VII Science Subjects in SMP Negeri 34 Padang in Academic Year 2018/2019
  Abstract  Fullpaper
• Vol 5, No 1 (2020): Atrium Pendidikan Biologi - Articles
  The Effect Of Discovery Learning Model Preceded By Making Concept Map Homework On Students’ Learning Competencies At Grade VII In Junior High School 16 Padang
  Abstract  Fullpaper
• Vol 4, No 4 (2019): Atrium Pendidikan Biologi - Articles
  The Effect of Firing Line Models Containing On Learning Competencies of Eight Grade Students at Junior High School 33 Padang
  Abstract  Fullpaper
• Vol 5, No 4 (2020): Atrium Pendidikan Biologi - Articles
  The Effect of Crossword Puzzle Learning Strategy To The Learning Competencies of Students At Padang Public Junior High School 14
  Abstract  Fullpaper
• Vol 5, No 3 (2020): Atrium Pendidikan Biologi - Articles
  Effect of Application of Discovery Learning Model Assisted by Mind Map Against Competence Learning Learners in Junior High School 28 Padang
  Abstract  Fullpaper
• Vol 5, No 2 (2020): Atrium Pendidikan Biologi - Articles
  The Effect of Discovery Learning Model on Students’ Learning Competencies At Grade VII In Junior High School 16 Padang
  Abstract  Fullpaper