Leelasettakul, Waruntorn, Luppana Kitrungrote, and Voravit Chittitavorn. 2024. “Predictive factors of sleep quality among patients undergoing cardiac surgery in intensive care unit”. Thai Journal of Cardio-Thoracic Nursing 34 (2). Bangkok, Thailand:31-43. https://he02.tci-thaijo.org/index.php/journalthaicvtnurse/article/view/261893.