ABAYA, Ernesto B.; 						SIGUA, Ricardo G.; 						VERGEL, Karl N..
 The Impact of Aircraft Noise on Communities in the Vicinity of the Ninoy Aquino International Airport.
<strong>Philippine Engineering Journal</strong>, [S.l.], v. 27, n. 2, feb. 2010.
ISSN 2718-9287.
Available at: &lt;<a href="https://journals.upd.edu.ph/index.php/pej/article/view/1526" target="_new">https://journals.upd.edu.ph/index.php/pej/article/view/1526</a>&gt;. Date accessed: 17 sep. 2025.