Pitayatienanan, Paiboon, Suthipong Dejkong, and Jeerisuda Chaweerak. “Quantity and Value of Injectable Antibacterial Drugs Prescribed at In-Patient Department of Rajavithi Hospital”. Journal of The Department of Medical Services 46, no. 1 (June 18, 2021): 117–126. Accessed October 6, 2022. https://he02.tci-thaijo.org/index.php/JDMS/article/view/251707.