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The methodology of planning models
Stone, Richard, (1967)
The integration on fiscal budgeting and income policy in MODIS IV
Bjerkholt, O., (1975)
The system of models used in France for the preparation of medium-term plans
Pagé, J. P., (1975)
La voie paysanne de développement au Bénin
Genne, Marcelle, (1979)