Eka Pratiwi, F., Manaseh, and Kuswandi Arifin. “Analysis CAT 3512 Machine Surface Roughness After Metal Spray With Method Surface Grinding: Surface Roughness”. Jurnal Rekayasa Mesin Dan Inovasi Teknologi, vol. 3, no. 2, Sept. 2022, pp. 214-20, http://jurnal.ftm.uniba-bpn.ac.id/index.php/REMIT/article/view/51.