Irna Sari Maulani, Heris Syamsuri and Ade Kurniawan 2024. DESIGN OF A PORTABLE SPOT WELDING MACHINE FOR LABORATORY SCALE. Jurnal Ilmiah Teknologi Infomasi Terapan. 10, 2 (Apr. 2024). DOI:https://doi.org/10.33197/jitter.vol10.iss2.2024.1939.