GADONG ET AL., Gadong, E.S.A., Sodusta, D.J.P., Zamora, L.C., Tan, M. J. B., & Parcon, C.
 A Teacher Education Institution (TEI) Initiative for Collaborative Materials Development in Mathematics Through Community Engagement.
<strong>Philippine Social Sciences Review</strong>, [S.l.], may 2018.
ISSN 2672-3158.
Available at: &lt;<a href="https://www.journals.upd.edu.ph/index.php/pssr/article/view/6150" target="_new">https://www.journals.upd.edu.ph/index.php/pssr/article/view/6150</a>&gt;. Date accessed: 05 aug. 2025.