SZE, Kyle T.; 						LIBERATO, Astrid Ayla E..
 EXTRACTION OF FLUORAPATITE FROM BRACHIOPADS FOR USE AS A DENTAL MATERIAL.
<strong>Philippine Engineering Journal</strong>, [S.l.], v. 33, n. 1, apr. 2013.
ISSN 2718-9287.
Available at: &lt;<a href="https://journals.upd.edu.ph/index.php/pej/article/view/3471" target="_new">https://journals.upd.edu.ph/index.php/pej/article/view/3471</a>&gt;. Date accessed: 22 aug. 2025.