Dahlan, Hendery, 		Rusli, Meifal, AND 		Bur, Mulyadi.
" The Reduction of Stress Concentration at a Crack Tip Using Multi Stop-Drilled Hole (MSDH)" <em>Journal of Ocean, Mechanical and Aerospace -science and engineering-</em> [Online], Volume 55 Number 1 (9 October 2018)