Hussein Mohammed Abualrejal, Mohamad Ghozali Hassan, Mustakim Melan , Pakorn Pourpunsawat, Waleed Al-Rahmi, Azizi Bin Romli. “ROOFTOP SOLAR ENERGY AWARENESS ON BUILDINGS IN HIGHER EDUCATION INSTITUTIONS: CASE OF UNIVERSITY UTARA MALAYSIA”. PalArch’s Journal of Archaeology of Egypt / Egyptology, vol. 17, no. 9, Nov. 2020, pp. 3573-86, https://archives.palarch.nl/index.php/jae/article/view/4411.