M. A. Hamid, H. F. Loh, S. Sugiyanto, M. M. Effendi, and A. In`am, “Development of Herbal Syrup from Ginger (Zingiber officinale), Lemongrass (Cymbopogon citratus), Seaweed (Kappaphycus striatum), and Beetroot (Beta vulgaris L.)”, ICRSE, vol. 4, pp. 1309–1318, Apr. 2025.