Management, always important in all spheres of economic activity, has never been of such critical significance as today, as it plays a significant role in all sphere of economic activity. Explain - tải xuống tại 4shared. Management, always important in all spheres of economic activity, has never been of such critical significance as today, as it plays a significant role in all sphere of economic activity. Explain được lưu tại dịch vụ chia sẻ tập tin miễn phí tại 4shared.