Uppal, J.S. Disguised unemployment in an underdeveloped economy : its nature and measurement / J.S. Uppal - Bombay : Asia Publishing House , 1973 - vi, 147p. : ill. ; 23 cm. Includes index. ISBN: 0210222697 Subjects--Topical Terms: UnemploymentEmployment--India Dewey Class. No.: 331.11 / UPP