EFFECTS OF SURFACE-LEVEL DEFECTS ON TENSILE AND FATIGUE STRENGTH OF SPOT WELD BONDING – THREE-SHEET STEEL ArticleReza Kashyzadeh Kazem, Ganjabi Mohammad Amin, Moghbeli S., Ramzi Hassan Abu Nijim, Khlopkov S.V., Laad Meena SadashivInternational Journal of Engineering. Том 39. 2026. С. 1855-1864