Daovilay Banchongphanith. (2005) Utilization of health center service among the villagers in ruralareas of Khonkaen province, Thailand. Mahidol University,:ม.ป.ท.Daovilay Banchongphanith. 2005. Utilization of health center service among the villagers in ruralareas of Khonkaen province, Thailand. ม.ป.ท.:Mahidol University,;Daovilay Banchongphanith. Utilization of health center service among the villagers in ruralareas of Khonkaen province, Thailand. ม.ป.ท.:Mahidol University, 2005. Print.