The objectives of this research were to  1) to study the guidelines and limitation of the four ministries in implementing the disability employment policy according to Section 33 of the Empowerment of Persons with Disabilities Act, B.E. 2550 (2007), and the Additional Amendment (Second Edition), B.E.2556 (2013); 2) to study and synthesize diversity management through the dimension of the process of human resource planning, recruitment, selection, human capital development, and career development for persons with disability of the four ministries ...