List of Articles Problem Solving Perception Open Access Article Abstract Page Full-Text 1 - The Effect of Curriculum based on Virtual Reality on Primary School Students' Problem Solving Perception and Academic Achievement sajjad pourbaghban Firooz Mahmoodi Eskandar Fathiazar Behroz Kohestani 10.30495/jinev.2020.1905471.2235 Open Access Article Abstract Page Full-Text 2 - The Effectiveness of the Curriculum Based on Understanding by Design on Academic Achievement and Problem Solving Perception of Sixth Grade Students of the Elementary School seyed taher seyedi nazarlo Firooz Mahmoodi davoud tahmasebzadeh sheikhlar hossein dehganzade 10.30495/jinev.2024.2000480.2966