00383nam a2200121Ia 4500008004100000040001600041041001200057082001500069100001600084245010500100260004500205300001100250230917s9999||||xx |||||||||||||| ||und||  e73433aMAIN  aEnglish  a658.93 I2C  aMathur, D P 0aChanging pattern of wheat production and marketing: a resurvey in selected surplus and deficit areas  aAhmedabadbInstitute of Managementc1977  a165 p.