Heamharn, A., P. Singchangchai, and U. Tantapong. “Cost of Nursing Activities for COVID-19 Patients Undergoing Cesarean Section with Spinal Anesthesia in a Tertiary Hospital”. Journal of The Royal Thai Army Nurses, vol. 25, no. 3, Dec. 2024, pp. 392-0, https://he01.tci-thaijo.org/index.php/JRTAN/article/view/263756.