Ghosh, Biswanath. Managerial and business economics : normative-cum-huristic approach / Biswanath Ghosh. - Kolkata : World Press , 1979. - xi,367p. : ill.,figs. ; 21cm . NULL ISBN: Rs. (Hb) Subjects--Index Terms: MANAGERIAL ECONOMICS Dewey Class. No.: 338.7 / GHO/M