Homsombat, Parinasupa, Jariya Wittayasooporn, and Tipawan Daramas. “The Effect of Kangaroo Care on Sleep Duration in Preterm Infants”. Nursing Research and Innovation Journal 26, no. 1 (May 7, 2020): 31–45. Accessed March 29, 2024. https://he02.tci-thaijo.org/index.php/RNJ/article/view/191986.