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Hindratni, F.; Helina, S.; Hidayati, R. THE EFFECT OF PROVISIONING BOILED FREE-RANGE CHICKEN EGGS AND PAPAYA FRUIT TO INCREASING HEMOGLOBIN LEVEL IN TEENAGE GIRLS AT THE TAHFIZH AL-QUDS ISLAMIC BOARDING SCHOOL IN PEKANBARU CITY. JIA 2022, 9, 54-60.