van der Tak, Heman G.
The economic benefits of road transport projects / Heman G. van der Tak & Anandarup Ray - Washington : IBRD , 1971 - ix, 42p. : ill. ; 24 cm. - Distributed by Hopkins, Baltimore World Bank staff occasional papers .
Includes bibliographical references and index.
080181314X
Road transport
Mathematical models
Transport
388 / VAN
The economic benefits of road transport projects / Heman G. van der Tak & Anandarup Ray - Washington : IBRD , 1971 - ix, 42p. : ill. ; 24 cm. - Distributed by Hopkins, Baltimore World Bank staff occasional papers .
Includes bibliographical references and index.
080181314X
Road transport
Mathematical models
Transport
388 / VAN