Nik Daud, Nik Mohd Farhan, et al. “Indeks Nilai Kepentingan Flora Di Jajaran Hijau Kampus Sultan Azlan Shah, Universiti Pendidikan Sultan Idris: The Flora Importance Value Index of the Green Belt in the Sultan Azlan Shah Campus, Universiti Pendidikan Sultan Idris”.
GEOGRAFI, vol. 5, no. 2, Oct. 2017, pp. 138-53,
https://ejournal.upsi.edu.my/index.php/GEOG/article/view/2055.