Borah Suriya Kamal Epistemology in the principal upanisads - Delhi Vidyanidhi Parkashan India 2014 - xv,442p. cm. ISBN: 93 80651813 (hbk) 1295 Standard No.: 14400 Source: 163, 14/08/2014, Vidyanidhi Prakashan Textual Subjects--Topical Terms: RELIGION Dewey Class. No.: Q1:24:g(R2), Q4