Mayasari, D. R., Sari, Y., & Febrinasari, R. P. (2023). The Effectiveness of Giving Crystal Guava Juice (Psidium guajava L. “Crystal”) on Haemoglobin Levels in Female Adolescents with Anaemia. International Journal of Human and Health Sciences (IJHHS), 7(2), 176–182. https://doi.org/10.31344/ijhhs.v7i2.571