1.
Soedarmadji W, Abdillah MI. Metallographic Analysis Of Coil Springs Against Temperature Variations Using ASTM E-122 and ASTM E-562. JKIE [Internet]. 2021Dec.21 [cited 2022Oct.1];8(3):207-14. Available from: https://jurnal.yudharta.ac.id/v2/index.php/jkie/article/view/2694