Choatworapan, Walaipan, Jutamas Chotibang, and Malee Urharmnuay. 2020. “Effect of Wearing Plastic Cap on Body Temperature Among Preterm Infants During Umbilical Catheterization”. Nursing Journal CMU 47 (1):113-22. https://he02.tci-thaijo.org/index.php/cmunursing/article/view/240731.