Sulistiani, Erina. “Callus Induction of Cottoni Seaweed (Kappaphycus Alvarezii (Doty) Doty) Collected from Natuna Islands, Riau Islands Province”. BIOTROPIA 19, no. 2 (June 7, 2013). Accessed May 12, 2025. https://journal.biotrop.org/index.php/biotropia/article/view/254.