Chopra, O. P. 1941- Tax ethics, unaccounted income : some tax reforms, or, Black money, the norm of the day / O.P. Chopra. - New Delhi : Inter-India Publications, 1985, c1984. - vi, 119 p. ; 25 cm. Bibliography: p. [113]-115. Subjects--Topical Terms: Tax evasion--India.Spendings tax--India.Value-added tax--India. Dewey Class. No.: 336.2054 / CHT 1985