Papana, N., and L. Tawitha. “Outcomes of a Clinical Guideline for Implementation of Kangaroo Care With Premature Infants in Neonatal Intensive Care Unit”. Biomedical Sciences and Clinical Medicine, vol. 55, no. 4, Oct. 2016, pp. 169-77, https://he01.tci-thaijo.org/index.php/CMMJ-MedCMJ/article/view/88999.