VERGEL, Karl B.N.; 						TIGLAO, Noriel Christopher C..
 ESTIMATION OF EMISSIONS AND FUEL CONSUMPTION OF SUSTAINABLE TRANSPORT MEASURES IN METRO MANILA.
<strong>Philippine Engineering Journal</strong>, [S.l.], v. 34, n. 1, aug. 2013.
ISSN 2718-9287.
Available at: &lt;<a href="https://journals.upd.edu.ph/index.php/pej/article/view/3797" target="_new">https://journals.upd.edu.ph/index.php/pej/article/view/3797</a>&gt;. Date accessed: 22 aug. 2025.