6. |
Islam, Faridul Factor productivity and factor substitution
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BIBFRAME Instances
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Instance |
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986493 |
|
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12. |
Thirsk, Wayne R. Ease of factor substitution in agriculture
|
BIBFRAME Instances
|
Instance |
|
3157741 |
|
|
15. |
Islam, Faridul Factor productivity and factor substitution
|
BIBFRAME Works
|
Work Text Monograph |
|
986493 |
|
|