Tripathi Devi Prasad Bhuvan kosh vimarsh - Delhi Amar Granth Publications India 2004 - 212p. cm. ISBN: 8187322314 (hbk) 350 Standard No.: 182 Source: 429, 11/03/2013, Eastern Book Linkers Textual Subjects--Topical Terms: MATHEMATICS Dewey Class. No.: B9, 15P4