Petsirasan, R.; Noonil, N.; Aekwarangkoon, S.; Rithirat, R.; Sittipong, P.; Sanpakdee, T. The Potential Development Process of District Health Network for Elderly Care System, Takheun Subdistrict, Nakhon Si Thammarat Province. Area Based Dev. Res. J. 2018, 10, 484-495.