Mahat, Hanifah, Mohamad Suhaily Yusri Che Ngah, and Nurul Izza Ahmad. “Kajian Tahap Amalan Kelestarian Dalam Kalangan Murid Prasekolah Kementerian Pendidikan Malaysia Daerah Hulu Langat, Selangor: A Study on the Level of Sustainability Practices Among Ministry of Education Preschool Pupils in Hulu Langat, Selangor”. GEOGRAFI 3, no. 1 (April 2, 2015): 25–34. Accessed May 5, 2024. https://ojs.upsi.edu.my/index.php/GEOG/article/view/1845.