OLIVERA, Baldomero.
 Evaluation of Philippine Gemmula: I. Forms Related to G. speciosa and G. kieneri.
<strong>Science Diliman: A Journal of Pure and Applied Sciences</strong>, [S.l.], v. 17, n. 1, june 2007.
ISSN 2012-0818.
Available at: &lt;<a href="https://journals.upd.edu.ph/index.php/sciencediliman/article/view/78" target="_new">https://journals.upd.edu.ph/index.php/sciencediliman/article/view/78</a>&gt;. Date accessed: 05 aug. 2025.