Sekardina, A., S. Supriyanto, M. Mojiono, and H. Suprapto. “Characteristics of Red Hard Candy with Addition of Roselle (Hibiscus sabdariffa L.) Flower Extracts”. Asia-Pacific Journal of Science and Technology, vol. 31, no. 03, May 2026, pp. APST-31, doi:10.22299/apst.2026.273126.