VERGEL, Karl N.; 						CACHO, Frielly T.; 						CAPIZ, Cheryl Lyne E..
 A Study on Roadside Noise Generated by Tricycles.
<strong>Philippine Engineering Journal</strong>, [S.l.], v. 25, n. 2, aug. 2011.
ISSN 2718-9287.
Available at: &lt;<a href="https://www.journals.upd.edu.ph/index.php/pej/article/view/2330" target="_new">https://www.journals.upd.edu.ph/index.php/pej/article/view/2330</a>&gt;. Date accessed: 10 sep. 2025.