“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”. JURNAL IBU DAN ANAK, vol. 13, no. 2, Jan. 2022, https://jurnal.polkesri.ac.id/index.php/JIA/article/view/393.