Murnpho, Suppachai. “The Marketing Management Model of Products for the People With Disabilities Group (PWD)”. Integrated Social Science Journal, Mahidol University 7, no. 1 (June 30, 2020): 153–172. Accessed May 21, 2024. https://so02.tci-thaijo.org/index.php/isshmu/article/view/243844.