S. Kritcharoen, S. Kala, W. Chatchawet, S. Prugsasri, and C. Petchwatcharapaibune, “Effects of Clinical Practice Guideline to Promote, Support, and Protect Breastfeeding on Competencies and Duration of Breastfeeding of Teenage Mothers”, JRN-MHS, vol. 41, no. 1, pp. 54–63, Mar. 2021.