Bi, Fatima, Muhammad Arman, Mahmood-ul- Hassan, and Seema Iqbal. 2006. “Isolation and Characterization of Kappa-Carrageenan from Hypnea Musciformis (Red Alga) Collected from Karachi Coast, Pakistan”. Biological Sciences - PJSIR 49 (5):330-34. https://v2.pjsir.org/index.php/biological-sciences/article/view/1242.