LEADER 00000nam 2200229 a 4500 001 0598312 003 UkHlHU 007 t 008 002903 2 1957 000 eng 040 UkHlHU 050 4 |fq|aHC 591 S8 S9 110 2 Sudan, Ministry of Social Affairs. 245 00 Field of activities. 260 Khartoum :|bUniversity of Social Affairs,|c1957. 300 12p. 650 0 Africa|xEconomic conditions.
|
