W. Phetcharak, W. Chirywit, C. Phungcham, and P. Yodvongkong, “Assessing the Effect in Applying Transitional Theory Program on Knowledge and Self-care and Newborn Care in Postpartum Period among the First Pregnant Women in Samutprakan Hospital”, SMPK. Hos. J. , vol. 1, no. 1, pp. 3–17, Jun. 2023.