Tiwaree, C., S. Kantawng, T. Wonghongkul, and W. Lertwatthanawilat. “Predicting Factors of Uncertainty in Illness Among Children With Leukemia Undergoing Chemotherapy”. Pacific Rim International Journal of Nursing Research, vol. 20, no. 1, Jan. 2016, pp. 33-44, https://he02.tci-thaijo.org/index.php/PRIJNR/article/view/24453.