Yadav, Hridai Ram., Genesis and utilisation of waste lands : a case study of Sultanpur District / Hridai Ram Yadav. - New Delhi : Concept Pub, 1986, c1985. - xii, 288 p. : ISBN: BK328 Subjects--Topical Terms: Telecommunication.-- Dewey Class. No.: 333.73157 / Ge