WIDYANTORO, Arief.
 Studi Keragaman Anggrek Epifit di Kepulauan Sula.
<strong>Metamorfosa: Journal of Biological Sciences</strong>, [S.l.], v. 8, n. 2, p. 230-237, sep. 2021.
ISSN 2655-8122.
Available at: &lt;<a href="http://103.29.196.112/index.php/metamorfosa/article/view/68065" target="_new">http://103.29.196.112/index.php/metamorfosa/article/view/68065</a>&gt;. Date accessed: 16 dec. 2025.
doi: <a href="https://doi.org/10.24843/metamorfosa.2021.v08.i02.p06">https://doi.org/10.24843/metamorfosa.2021.v08.i02.p06</a>.