tutorial

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Be Skeptical Of Walmart's Cheap Organic Food 

English 3 min

MARKET AND ECONOMICS, Costs and prices, English,

tutorial

UARD - University of Agribusiness and Rural Development, Plovdiv, Bulgaria

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Rachel Carson, Chapter 1 

English 9 sec

ENVIRONMENT

tutorial

CLAR - Centro Libero Analisi e Ricerca - Senigallia, Italy

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Avispas Biológicas (Trichogramma) 

Español 5 min

AGRICULTURE, Organic Farming