Hidayat, Achmad, and Arya Sakti. 2022. “RANCANG BANGUN MESIN SPOT WELDING AND SOLDERING IRON SEMI PORTABLE”. Jurnal Rekayasa Mesin 7 (01), 9-17. https://ejournal.unesa.ac.id/index.php/jurnal-rekayasa-mesin/article/view/44343.