Herzallah , H. and Shalash, B. 2021. The degree of application of the concept of the active school in the governmental schools of Ramallah and Al-Bireh Governorate from the point of view of its principals. Palestine Technical University Research Journal. 9, 3 (Sep. 2021), 83–68. DOI:https://doi.org/10.53671/pturj.v9i3.187.