Helendra, Helendra, Universitas Negeri Padang, Indonesia

• Vol 4, No 1 (2019): Atrium Pendidikan Biologi - Articles
  The Effect of the application of the Cooperative Learning Model Type Snowball Throwing Against an increase in the activity of learning to the learners on subjects Science in grade VII Inclusive SMPN 23 Padang
  Abstract  Fullpaper
• Vol 4, No 2 (2019): Atrium Pendidikan Biologi - Articles
  Correlation of Basic Science Process Skills and Learning Outcomes of High and Low Level Students In Junior High School 35 Padang
  Abstract  Fullpaper
• Vol 4, No 2 (2019): Atrium Pendidikan Biologi - Articles
  The Needs Analysis of The Develop of Biology Module Based On Scientific Approach for Senior High School Grade XI Students
  Abstract  Fullpaper
• Vol 6, No 1 (2021): Atrium Pendidikan Biologi - Articles
  VALIDITY OF PLANT TISSUE ATLAS FOR SENIOR HIGH SCHOOL
  Abstract  Fullpaper
• Vol 6, No 2 (2021): Atrium Pendidikan Biologi - Articles
  DEVELOPMENT OF CONTEXTUAL-BASED BIOLOGY BOOKLET CONTAINING MATERIAL ON THE STRUCTURE AND FUNCTION OF PLANT TISSUES FOR JUNIOR HIGH SCHOOL STUDENTS
  Abstract  Fullpaper
• Vol 7, No 1 (2022): Atrium Pendidikan Biologi - Articles
  DEVELOPING A TOOL TO ASSESS HIGH ORDER THINKING SKILL ABOUT THE IMMUNE SYSTEM IN HIGH SCHOOL
  Abstract  Fullpaper