TY - BOOK AU - Kanywanyi TI - Duties of the seller: : implied condition applied by trade usage: Fleury and King V. Mohamed Walli and Co. and Juma Kemani T2 - Paper; 33 AV - EAF FOL KRD.D26 No.33 PY - 1969/// CY - Dar es Salaam PB - : University of Dar es Salaam KW - Duty, KW - tax ER -