Raksthai, Wantakan, Ratjai Vachprasit, and Wipa Sae-Sia. 2024. “The Effect of Self-Efficacy Enhancing Program for Caregivers on Perceived Self-Efficacy and Pneumonia Prevention Behaviors in Head and Neck Cancer Patients with Tracheostomy”. Thai Journal of Nursing and Midwifery Practice 11 (2):83-103. https://he02.tci-thaijo.org/index.php/apnj/article/view/270912.