An Action Research Project in Implementing Discovery Learning Model with Portfolio Assignment to Improve Students’ Argumentation Competence for Junior High School Students in Indonesia

The Development of e-Modules Based on Experiential Learning Models on Environmental Pollution Materials for Class VII Middle Schools

Improvement of Critical Thinking and Learning Style Using Discovery Outdoor Learning Participants SMAN 10 Batanghari

Development of Interactive Physics Learning Media Based on Macromedia Flash in Thermodynamic Material for SMA

Scientific Thinking Process of Students Type Climber In Problem Solving of Biology at Junior High School