Guo, Q., Liu, S., Fu, X., & Tian, X. (2025). An Empirical Study of the PERMA Model of Positive Psychological Intervention for Parents of Preterm Infants Hospitalized in NICU. Journal of Biology and Life Science, 16(2), 119–131. https://doi.org/10.5296/jbls.v16i2.22880