Maksum, A., 		Purbowati, i., 		wijonarko, g., & 		anggriawan, r.
(2022).
 Optimization of Phenol Levels from Phycoerythrin of Gracilaria verrucosa with Freeze Thaw using Response Surface Methodology.
<em>Journal Of Agricultural And Biosystem Engineering Research, 3</em>(1), 87-94.
doi:10.20884/1.jaber.2022.3.1.6547