%0 Journal Article %A Shamsi Papkiade, Seyedeh Zahra, sarmadi, Mohammadreza, Aminifar, Elahe, Shobeiri, Seyed Mohammad %T Content Analysis of Math Textbooks in the First level of Primary School Based on the Components of Sustainability Education with Shannon Entropy Technique %J Journal of Environmental Science and Technology %V 23 %N 8 %P 107-118 %D 2021 %R 10.30495/jest.2022.57742.5252 %U https://sanad.iau.ir/fa/Article/837702