W. . Atsalikorn, J. . Laothamatas, and J. . Prasoptham, “Social impact and social return on investment of the potential development project for elderly care service in Mae Mok subdistrict, Thoen district, Lampang province”, kasetsart J. Soc. Sci., vol. 44, no. 3, pp. 665–674, Sep. 2023.