Muhamad Damanhuri, Muhd Ibrahim, Durairaj Ehambron, and Marlizah Yusuf. “Tahap Kesedaran Dan Amalan Pendidikan Alam Sekitar Dalam Kalangan Pelajar Tingkatan 4 Aliran Sains Di Daearah Hulu Selangor: Awareness Level and Environmental Education Practice Among Form 4 Science Stream Students in Hulu Selangor District”. GEOGRAFI 4, no. 2 (October 10, 2016): 28–35. Accessed July 14, 2024. https://ojs.upsi.edu.my/index.php/GEOG/article/view/1932.