-
Somalia. Statistical Service
HA2168.L33 A54
-
Somalia. Statistical Service
HA2168.O3 .A54 1964
-
HA2171 .A33 1964-1965,pt.2
-
Liberia. Department of Planning and Economic Affairs
HA2171 .A33 1968
-
Liberia. Ministry of Planning and Economic Affairs
HA2171 .A33 1971-1973