Liew Abdullah, Nurul Hidayah, Haryati Shafii, and Seow Ta Wee. “Sumbangan Pemboleh Ubah Peramal Terhadap Pengetahuan, Persepsi, Sikap Dan Tingkah Laku Murid Tahun 6 Terhadap Alam Sekitar: Contribution of Predictors of Knowledge, Perceptions, Attitudes and Behavior of Standard 6 Pupils towards Environment”. GEOGRAFI 5, no. 2 (October 31, 2017): 116–126. Accessed May 2, 2024. https://ojs.upsi.edu.my/index.php/GEOG/article/view/2053.