Abdullah, Nurul Hidayah Liew, et al. “Hubungan Antara Latar Belakang Dan Teladan Ibu Bapa Dengan Tingkah Laku Murid Terhadap Alam Sekitar: The Relationship Between Background and Parental Role Model With Pupil’s Behaviour Toward the Environment”. GEOGRAFI, vol. 2, no. 2, Dec. 2018, pp. 115-27, https://ejournal.upsi.edu.my/index.php/GEOG/article/view/484.