Aspects of a flat rate tax
Neumark, Fritz.
Aspects of a flat rate tax por Fritz Neumark. - Río Piedras, P.R. Universidad de Puerto Rico 1984. - 13 p.
Flat-rate income tax
Puerto Rico--Flat-rate income tax.
Aspects of a flat rate tax por Fritz Neumark. - Río Piedras, P.R. Universidad de Puerto Rico 1984. - 13 p.
Flat-rate income tax
Puerto Rico--Flat-rate income tax.