Qureshi, Liaqat A., Ali Ajwad, and Babar Ali. “Effect of Adding Glass Fibre Reinforced Concrete Topping on Flexural Behaviour of Hollow Core Slab Units”. Engineering And Technology Journal 3, no. 07 (July 9, 2018): 451–455. Accessed May 18, 2024. http://everant.org/index.php/etj/article/view/13.