TAN, Raymond R.; 						CULABA, Alvin B..
 Life-Cycle Environmental Benefits of Using Bioethanol as a Gasoline Additive.
<strong>Philippine Engineering Journal</strong>, [S.l.], v. 23, n. 1, aug. 2011.
ISSN 2718-9287.
Available at: &lt;<a href="https://www.journals.upd.edu.ph/index.php/pej/article/view/2382" target="_new">https://www.journals.upd.edu.ph/index.php/pej/article/view/2382</a>&gt;. Date accessed: 04 sep. 2025.