Rashid, Mohd Fairuz, et al. “Wear Characteristics of 22MnB5 Boron Steel under Friction Micro Pin-on-Disks Test”. Journal of Sustainable Manufacturing in Transportation , vol. 1, no. 1, Dec. 2021, pp. 17-23, https://penerbit.uthm.edu.my/ojs/index.php/jsmt/article/view/10341.