Shehada, F. H., Al-Omari, W. H., & Nawafleh, A. H. (2020). The Degree of Awareness of Science Teachers about the Concepts and Requirements of Green Economy in the upper Basic Stage in Amman from the Viewpoint of Teachers Themselves. International Journal of Learning, Teaching and Educational Research, 19(3), 48–68. Retrieved from http://ijlter.myres.net/index.php/ijlter/article/view/406