Firmansyah, Satria Bagus, R. Arizal Firmansyah, and Nur Hayati. “Antioxidant Activity and Antibacterial Seaweed Methanol Extract (Sargassum Duplicatum J. Agardh) and Its Potential As a Natural Preservative Alternative to Salted Eggs”. Journal of Natural Sciences and Mathematics Research 2, no. 1 (August 23, 2017): 133–142. Accessed June 7, 2025. https://journal.walisongo.ac.id/index.php/JNSMR/article/view/1648.