Al-Titi, Iyad, and Wesal Al-Omari. 2022. “The Effectiveness of an Educational Unit Based on Approach STEM Integration in the Acquisition of Environmental Concepts Among Eighth Basic Grade Students”. Jordan Journal of Applied Science-Humanities Series 30 (2), 89-105. https://doi.org/10.35192/jjoas-h.v30i2.258.