Chinsuwan, W., and B. J. Cochran. “DBVBLOPMBNT AWD USB OF THB AXIAL FLOW LOWLIFT PUMP IN THAILAND”. Engineering and Applied Science Research, vol. 12, no. 2, Apr. 2013, pp. 7-28, https://ph01.tci-thaijo.org/index.php/easr/article/view/8279.