Nurfitri; Margiyanti, N. J. .; Sari, D. P. .; Wilujeng, A. R. . Systematic Review of The PICO Method Regarding The Effectiveness The Effectiveness of Giving Guava Juice (Psidium Guajava) Women In Increasing Hemoglobin Levels. Nusantara Sci. Tech. Proc. 2024, 2024 (43), 98-100. https://doi.org/10.11594/nstp.2024.4318.