A.R, Rahim, Utami D.R, and Budi S. 2023. “Optimizaton Quality of Agar Gracilaria Verrucosa Seaweed With Different Density in Extensive Polyculture System”. International Journal of Aquatic Research and Environmental Studies 3 (2): 1-16. http://injoere.com/index.php/injoere/article/view/69.