00314nam a2200109 a 4500008004100000050001700041100002600058245004400084246002400128260004300152350000900195120416s1978    ||||||||||||||||| ||    u  aHB 141.5 Ahm  aAhmed, El-Sayed Abbas14aThe National income accounting in Sudan  aa comparative study  aKhartoumbUniversity of Khartoumc1978  a0.00