This study investigates the relationship between employee perceptions of human resource management practices (HRM practices) and organizational citizenship behavior (OCB), and also examines the mediating role of employee engagement between the relationship of employee perceptions of HRM practices and OCB in the context of five-star hotels in Thailand. The thesis especially focuses on eight HRM practices; namely, recruitment and selection, training support, performance appraisal, compensation and benefits, career opportunities, internal c ...