Roonmai, J., Jonglertmontree, W., Chinnawong, T. and Wattana, C. 2024. The Effects of Perceived Self-Efficacy Enhancement Program Using Line Official Account Application on Beliefs and Behaviors of Caregivers to Perform Nasal Irrigation for Preschool Children with Retained Nasal Secretion. Nursing Research and Innovation Journal. 30, 3 (Dec. 2024).