Zain-Ul-Abdin, Khitab A. Effect of Pine Needle Fibers on Properties of Cementitious Mortars : Pine Needles-Reinforced Mortars. PPASA [Internet]. 2021 Jul. 30 [cited 2025 Dec. 4];57(4):33-46. Available from: http://ppaspk.org/index.php/PPAS-A/article/view/441