1.
Oktavia A, Tabitha AK, Drajat B, Pujiyulianto E. Analysis of Hardness Test and Microstructure Test of R.54 Type Railway Rail with Variations in Heat Treatment Cooling Media. JESR [Internet]. 2026Jan.1 [cited 2026Jan.7];7(2):63-77. Available from: http://jesr.eng.unila.ac.id/index.php/ojs/article/view/175