BORJA, Ronaldo I..
 Soil Incompressibility by 'Mixed' and Penalty Methods.
<strong>Philippine Engineering Journal</strong>, [S.l.], v. 6, n. 1, oct. 2021.
ISSN 2718-9287.
Available at: &lt;<a href="https://www.journals.upd.edu.ph/index.php/pej/article/view/8286" target="_new">https://www.journals.upd.edu.ph/index.php/pej/article/view/8286</a>&gt;. Date accessed: 05 sep. 2025.