Salleh BS, Adamulhasza IZ, Samat NS, Amiruddin NQ, Haziq AN. Bolster Barrier (BOLER): A New Design to Improve Safety of Accidents. ijscet. 2017;7(2):29-37. Accessed July 18, 2024. https://publisher.uthm.edu.my/ojs/index.php/IJSCET/article/view/1486