CRUZ, Ibarra E..
 Comparative Performance Test of a "Ducati IS-11" Diesel Engine Using Crude Coconut Oil.
<strong>Philippine Engineering Journal</strong>, [S.l.], v. 2, n. 1, nov. 2021.
ISSN 2718-9287.
Available at: &lt;<a href="https://journals.upd.edu.ph/index.php/pej/article/view/8421" target="_new">https://journals.upd.edu.ph/index.php/pej/article/view/8421</a>&gt;. Date accessed: 08 sep. 2025.