Shahat HA, Al-Ruwaili HAS, Aljaafari M zakariaa. Environmental Education: To develop sustainability competencies related to experimentation with environmental materials among secondary school students. ijirss [Internet]. 2025 Apr. 4 [cited 2025 Jul. 3];8(2):3152-61. Available from: http://www.ijirss.com/index.php/ijirss/article/view/5958