| 000 | 00451nam a2200181Ia 4500 | ||
|---|---|---|---|
| 008 | 230524s9999 xx 000 0 und d | ||
| 040 | _cUDSM | ||
| 050 | _aHD57.I65 | ||
| 245 | 0 | _aHuman factors of productivity in Africa: a prelinary survey | |
| 260 | _aBrazaville | ||
| 260 | _c1960 | ||
| 300 | _a156p. | ||
| 300 | _c24cm. | ||
| 650 | _aLabour productivity | ||
| 700 | _aill. | ||
| 942 | _2Library of Congress Classification | ||
| 942 | _cBook | ||
| 999 |
_c84814 _d84814 |
||