Cerca con Google[13] J. Shen, Cucker Smale flocking under hierarchical leadership, SIAM J. Appl. The most lucrative markets for a Roman publican were war and tax collecting. All the armaments for the legions were produced by publican firms under contract with the Senate and People of Rome. Equipping a legion of 5,000 centurions could generate a contract worth about $C15 million. (2007), “Service quality in restaurants operations in China: decision and experiential oriented perspectives”, Hospitality Management, Vol. 26, pp. 698…