00492nam a2200121Ia 450000500170000000800410001708200220005824500710008026000890015194200070024095201080024799900150035520250107154804.0241216s9999||||xx |||||||||||||| ||und||  aREF 312.09678 TAN 0aFertility and mortality data for rural and urban  areas of regions  aDar es salaambBureau of statistics ministry of planning and economic affairs,c1982  cBK  104070aARULIBbARULIBcReferenced2024-12-16l0oREF 312.09678 TANp10297r2024-12-16w2024-12-16yBK  c5858d5858