List of Articles طراحی آموزشی چند رسانه ای مبتنی بر نظریه بار شناختی Open Access Article Abstract Page Full-Text 1 - The effectiveness of multimedia educational design based on cognitive load theory on students' academic achievement and self-concept in fifth grade science course سپیده صفرپور دهکردی اقدس شکری 10.30495/ee.2023.1965931.1122