MAKSUM, Ali et al.
 Optimization of Phenol Levels from Phycoerythrin of Gracilaria verrucosa with Freeze Thaw using Response Surface Methodology.
<strong>Journal of Agricultural and Biosystem Engineering Research</strong>, [S.l.], v. 3, n. 1, p. 87-94, aug. 2022.
ISSN 2776-821X.
Available at: &lt;<a href="https://jos.unsoed.ac.id/index.php/jaber/article/view/6547" target="_new">https://jos.unsoed.ac.id/index.php/jaber/article/view/6547</a>&gt;. Date accessed: 21 apr. 2025.
doi: <a href="https://doi.org/10.20884/1.jaber.2022.3.1.6547">https://doi.org/10.20884/1.jaber.2022.3.1.6547</a>.