GABRIEL, Erwin.
 Table of Contents.
<strong>Philippine Engineering Journal</strong>, [S.l.], v. 45, n. 01, june 2024.
ISSN 2718-9287.
Available at: &lt;<a href="https://journals.upd.edu.ph/index.php/pej/article/view/9717" target="_new">https://journals.upd.edu.ph/index.php/pej/article/view/9717</a>&gt;. Date accessed: 17 sep. 2025.