The significance of distance constraints in peasant farming systems with special reference to sub-Saharan Africa
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چکیده
منابع مشابه
Vaccinations of International Travellers From Greece to Sub-Saharan Africa
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ژورنال
عنوان ژورنال: Applied Geography
سال: 1985
ISSN: 0143-6228
DOI: 10.1016/0143-6228(85)90011-6