Gherab, Akrem, and Khalil Merad. 2023. “The Engineering Standards for Playgrounds in Secondary Schools and Their Role in Achieving the Educational Goals of Physical Education and Sports Classes in Oum El-Bouaghi”. Journal of Architecture and Environment of Child 8 (2):15-30. https://journals.univ-batna.dz/index.php/leve/article/view/4050.