Angela DitauliLubis. Potential of seed leaves (psidii folium) extracts as alternative materials on changes in hemoglobin and ferritin levels in youth teenage (Case study in bakhti nusantara vocational school). ijamscr [Internet]. 2020 Aug. 11 [cited 2024 May 18];7(1):85-90. Available from: https://ijamscr.com/ijamscr/article/view/632