TY - BOOK AU - Brafu-Insaidoo,William Gabriel et al AU - Obeng,Camara Kwasi TI - Effect of import liberalization on tarrif revenue in Ghana SN - 9966778314 AV - HC1060.A1.B7 2008 PY - 2008/// CY - Nairobi,Kenya PB - AERC N1 - Notes references and appendix ER -