Kosuwon, Weerachai, and Pensri Kosuwon. 2013. “The True Cost of Recycle Syringe Compared With Disposable Syringe at Srinagarind Hospital”. Srinagarind Medical Journal 5 (2):91-96. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/13518.