Lestari OA, Dewi YSK, Nabilah UU, Hasbullah H, Ifwarisan Defri. Imitation watermelon sheet jam made from watermelon albedo with natural coloring from roselle petals (Hibiscus sabdariffa L) and sappan wood (Caesalpinia sappan L). J. Health Nutr. Res [Internet]. 2025 Aug. 1 [cited 2025 Sep. 13];4(2):727-3. Available from: https://journalmpci.com/index.php/jhnr/article/view/462