GGeneral economic studiesGeneral economic studiesde Merran van der TakMateriasEconomic conditionsEconomic policyEdiciones (1)General economic studies (1989)Institute of National Affairs · inglésMás obras de Merran van der TakAAgriculture studiesAgriculture studiesTTaxation policy in Papua New GuineaTaxation policy in Papua New GuineaLLabour studiesLabour studies