Handayani, Luluk, Sri Sumarni, & Donny Kristanto Mulyantoro. " 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 (2022): 107-112. Web. 5 Nov. 2024