Studi proses perlakuan permukaan shot peening dan nitridisasi untuk meminimalisir terjadinya die soldering pada Material Baja 8407 s dan Baja Dievar = study of effect shot peening and nitriding surface treatment to minimize die soldering on 8407 s Steel and Dievar Steel / Didi Rooscote - Didi Rooscote, author (2015)