Tanasirijiranont, R., and W. Aoon-arom. “The Transitional Process of Becoming Mother among Thai High Risk Pregnant Women during Hospitalization”. Journal of Nurses Association of Thailand Northern Office, vol. 28, no. 1, June 2022, pp. 28-40, https://he01.tci-thaijo.org/index.php/jnorthnurse/article/view/255673.