FLAUTA, R. et al.
 Thin Film Formation of Gallium Nitride Using Plasma-Sputter Deposition Technique.
<strong>Science Diliman: A Journal of Pure and Applied Sciences</strong>, [S.l.], v. 15, n. 1, july 2007.
ISSN 2012-0818.
Available at: &lt;<a href="https://www.journals.upd.edu.ph/index.php/sciencediliman/article/view/135" target="_new">https://www.journals.upd.edu.ph/index.php/sciencediliman/article/view/135</a>&gt;. Date accessed: 27 sep. 2025.