Upender, M.. Marketable and marketed surplus in agriculture : a study at farm land / M. Upender; foreward by C. Siva Rama Krishna Rao. - New Delhi : Mittal Publications , 1990. - xiv.,192p. : ill.,table ; 22cm . NULL ISBN: 817099232X Rs. 175.00 Subjects--Index Terms: FARM PRODUCE-MARKETING Dewey Class. No.: 380.141 / UPE/M