Alsalamat, M.K.M. and Alsofiani, A.H.trans. 2017. The Impact of Teaching Mathematics by Using an Active Learning-Based Strategy on Developing Systemic Thinking Skills of Intermediate Stage Students in Taif Governorate- Saudi Arabia. The International Journal for Talent Development. 8, 1 (Mar. 2017), 93–120. DOI:https://doi.org/10.20428/ijtd.v8i1.1132.