. . . "Adequacy of IRS' Taxpayer Service Program : hearing before a subcommittee of the Committee on Government Operations, House of Representatives, One hundredth Congress, first session, April 8, 1987"@en . . . . "Adequacy of IRS' Taxpayer Service Program hearing before a subcommittee of the Committee on Government Operations, House of Representatives, One hundredth Congress, first session, April 8, 1987"@en . . . . . . . . .