Kaewpuang T. The assessment of social impact and social return on investment for social services : A case study of building knowledge and upgrading skills in renewable energy technology careers for access to funding sources for the Network of Bann ManKong, Wang Nam Ye. RMUTL.J [internet]. 2023 Jun. 29 [cited 2025 Apr. 7];7(1). available from: https://so07.tci-thaijo.org/index.php/JsesRMUTL/article/view/2042