Asinor AS, Anim OS. Assessing the Strength of Lightweight Concrete using Oil Palm Shells (OPS) as Coarse Aggregates. IJTMR [Internet]. 2020Mar.12 [cited 2024May3];1(3):26-1. Available from: https://ijtmr.ktu.edu.gh/index.php/ijtmr/article/view/32