Lal, B.B. Income tax, Central sales tax law and practice Assessment year 1997-98 - 20th rev ed - New Delhi Konark Publishers 1997 - x, 633p, 20cm. PB 65p. ISBN: 812200489X Subjects--Uniform Titles: CommerceTax, Income and Sales (Central) Dewey Class. No.: 343.052 / LAL