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 - muat turun di 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 dihoskan di perkhidmatan perkongsian fail percuma 4shared.