STAFF, PEJ.
 EDITORIAL BOARD.
<strong>Philippine Engineering Journal</strong>, [S.l.], v. 42, n. 2, dec. 2021.
ISSN 2718-9287.
Available at: &lt;<a href="https://journals.upd.edu.ph/index.php/pej/article/view/8491" target="_new">https://journals.upd.edu.ph/index.php/pej/article/view/8491</a>&gt;. Date accessed: 02 sep. 2025.