TY  - SER
ED  -  National Development Corporation.
TI  -  Jenga : : a quarterly magazine of the national development corporat ion
PY  - 1969///-
CY  -  Dar es Salaam : 
PB  -  National Printing Company , 
KW  -  National Development Corporation
KW  -  Industrial development projects
KW  -  Tanzania
ER  -