PUNZALAN, Gladys Asuncion N..
 PSHS: Cradle of Filipino Scientists and Technologists.
<strong>Alipato, A Journal of Basic Education</strong>, [S.l.], v. 2, n. 1 &amp; 2, dec. 2011.
ISSN 0118-4342.
Available at: &lt;<a href="https://journals.upd.edu.ph/index.php/ali/article/view/2660" target="_new">https://journals.upd.edu.ph/index.php/ali/article/view/2660</a>&gt;. Date accessed: 02 sep. 2025.