Sinarep, A. Dwi Catur, M. Daeng Permana, and A. Zainuri, “PENGARUH PENAMBAHAN UNSUR TEMBAGA PADA PENGECORAN TEKAN BLOK SILINDER BEKAS TERHADAP NILAI IMPAK DAN KEAUSAN : EFFECT OF ADDITION OF COPPER ELEMENTS IN THE COMPRESSION CASTING OF USED CYLINDER BLOCKS ON IMPACT VALUE AND WEAR”, empd, vol. 3, no. 2, pp. 207–212, Nov. 2024.