Paweena Khampukka และ Thumwimon Sukserm. (2018) THE ANALYSIS OF SOCIAL RETURN ON INVESTMENT (SROI) TOWARD THE ELDERLY HEALTH CARE DEVELOPMENT PROGRAM. <i>UTCC International Journal of Business and Economics</i>, <i>10</i>(3), 67-78.Paweena Khampukka และ Thumwimon Sukserm. "THE ANALYSIS OF SOCIAL RETURN ON INVESTMENT (SROI) TOWARD THE ELDERLY HEALTH CARE DEVELOPMENT PROGRAM". UTCC International Journal of Business and Economics 10 (2018):67-78.Paweena Khampukka และ Thumwimon Sukserm. THE ANALYSIS OF SOCIAL RETURN ON INVESTMENT (SROI) TOWARD THE ELDERLY HEALTH CARE DEVELOPMENT PROGRAM. University of the Thai Chamber of Commerce:ม.ป.ท. 2018.