Sharma, J. N. creator Dugar, B.R. text New Delhi Deep and Deep Publications 2010 monographic xxi,213p. 22cm (Hb) by J.N. Sharma [and] B.R. Dugar Includes bibliographical references and index Economic- social aspect 330 9788184502527 ENG-100681 DBAD/PUB 2010081706516.0