ภู่ภิรมย์ ว., เชยกาญจน์ อ., and จันทวี น. “Effects of The Self-Efficacy Enhancement Program on Registered Nurses’ Competencies in Blood Culture Techniques and Reducing Blood Culture Contaminate Rates”. Region 11 Medical Journal, vol. 32, no. 3, Sept. 2018, pp. 1189-98, https://he02.tci-thaijo.org/index.php/Reg11MedJ/article/view/158787.