Nur Istiqomah, Isnanda Putri, Agus Kristiyanto, and TonangDwi Ardyanto. 2022. “The Correlation Between Hemoglobin Levels and Physical Fitness in Teenage Taekwondo Athletes”. International Journal of Human and Health Sciences (IJHHS) 6 (2):204-7. https://doi.org/10.31344/ijhhs.v6i2.447.