ปฐมศิริ ส., and สุขาบูรณ์ ป. “Analysis and Design of Blood Transportation in Bangkok Metropolitan Region A Case Study for the National Blood Center, Thai Red Cross Society”. Frontiers in Engineering Innovation Research, vol. 2, Dec. 2011, pp. 41-50, https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242135.