Abdullahi, Musa Garba, Mohd Khairul Amri Kamarudin, Roslan Umar, Azizah Endut, Saiful Iskandar Khalit, and Hafizan Juahir. “Night Sky Brightness Assessment in Nigeria Using Environmetric and GIS Technique”. International Journal on Advanced Science, Engineering and Information Technology 7, no. 1 (February 15, 2017): 28–34. Accessed June 3, 2024. https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/970.