Phataraphanpee, Thatchakorn. 2021. “Micro Business Eevelopment and Self-Esteem Enhancing of Retirees in Industrial at Bang Phli District, Samutprakarn Province”. Journal of Management Science Chiangrai Rajabhat University 16 (1):219-41. https://so03.tci-thaijo.org/index.php/jmscrru/article/view/241639.