NASUTION, Hasbi Assidiqi et al.
 Anatomi Bentuk dan Tipe Spora Pteridophyta dari Kelas Polypodiopsida.
<strong>BioEksakta : Jurnal Ilmiah Biologi Unsoed</strong>, [S.l.], v. 6, n. 2, p. 79-84, june 2024.
ISSN 2714-8564.
Available at: &lt;<a href="https://jos.unsoed.ac.id/index.php/bioe/article/view/10932" target="_new">https://jos.unsoed.ac.id/index.php/bioe/article/view/10932</a>&gt;. Date accessed: 19 apr. 2025.
doi: <a href="https://doi.org/10.20884/1.bioe.2024.6.2.10932">https://doi.org/10.20884/1.bioe.2024.6.2.10932</a>.