SORIANO, Mario A.; 						CASTRO, Peter Paul M..
 ASSESSMENT OF THE ENGINEERING ASPECTS OF THE IFUGAO RICE TERRACES.
<strong>Philippine Engineering Journal</strong>, [S.l.], v. 33, n. 1, apr. 2013.
ISSN 2718-9287.
Available at: &lt;<a href="https://www.journals.upd.edu.ph/index.php/pej/article/view/3469" target="_new">https://www.journals.upd.edu.ph/index.php/pej/article/view/3469</a>&gt;. Date accessed: 20 aug. 2025.