... brought the culture of Vietnam. Tea is also an important export of our agriculture. Currently, 39 countries all over the world have grown and processed tea, Vietnam has been ranked fifth in ... Graduate School of Southern Luzon State University, Philippines and Thai Nguyen University, S.R. Vietnam In Partial Fulfillment of the Requirements for the Degree Doctor in Business Administration ... the competition management: Before strong competitive pressure on human resources as flexible, dynamic, forcing managers and employees of business enterprises constantly improve professional skills,...