CLEMENTS, D. L.; 						WIDANA, N..
 AN APPROXIMATE FORMULA FOR THE STRESS INTENSITY FACTOR FOR THE PRESSURIZED STAR CRACK.
<strong>Jurnal Matematika</strong>, [S.l.], nov. 2012.
ISSN 2655-0016.
Available at: &lt;<a href="http://103.29.196.112/index.php/jmat/article/view/2884" target="_new">http://103.29.196.112/index.php/jmat/article/view/2884</a>&gt;. Date accessed: 18 dec. 2025.
doi: <a href="https://doi.org/10.24843/JMAT.2007.v01.i01.p06">https://doi.org/10.24843/JMAT.2007.v01.i01.p06</a>.