Candler, Wilfred. Multi-level programming and development policy / prepared by Wilfred Candler and Roger Norton. - [Washington, DC] : World Bank, 1977. - Bank staff working paper ; no. 258 . - World Bank staff working paper ; no. 258. . Bibliography: p. [i]-ii. Subjects--Topical Terms: Economic policy -- Mathematical models.--Economic policy -- Mathematical models.Economic development -- Mathematical models.--Economic development -- Mathematical models.Agriculture -- Economic aspects -- Mexico -- Mathematical models.--Agriculture -- Economic aspects -- Mexico -- Mathematical models.--Agriculture -- Economic aspects -- Mexico -- Mathematical models.--Agriculture -- Economic aspects -- Mexico -- Mathematical models.