DWIVEDI .D.N, . (2004). MANAGERIAL ECONOMICS. NEW DELHI: VIKAS PUB. HOUSE PVT. LTD.
DWIVEDI .D.N, . 2004. MANAGERIAL ECONOMICS. NEW DELHI: VIKAS PUB. HOUSE PVT. LTD.
DWIVEDI .D.N, . MANAGERIAL ECONOMICS. NEW DELHI: VIKAS PUB. HOUSE PVT. LTD. 2004.