Hassan, A. Z., T. Kamal, S. R. Hassnain, H. Ali, and A. Saleem. “Electrical Energy Saving and Management Initiatives: A Case Study of University Libraries in KPK, Pakistan”. The Nucleus, vol. 52, no. 1, Feb. 2015, pp. 1-8, http://www.thenucleuspak.org.pk/index.php/Nucleus/article/view/656.