List of Articles آموزش پایداری Open Access Article Abstract Page Full-Text 1 - Content Analysis of Math Textbooks in the First level of Primary School Based on the Components of Sustainability Education with Shannon Entropy Technique Seyedeh Zahra Shamsi Papkiade Mohammadreza sarmadi Elahe Aminifar Seyed Mohammad Shobeiri 10.30495/jest.2022.57742.5252