Handayani, L., 		Sumarni, S., & 		Mulyantoro, D.
2022 Apr 29.  The Utilization of Rosella (Hibiscus Sabdariffa Linn.) Calyx Extract to Increase Hemoglobin and Hematocrit of Female  Adolescents Anemia. JURNAL ILMU KEFARMASIAN INDONESIA. [Online] 20:1