books خاصيات منتج
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# For media production
# Global product specialization
# Some basic properties and results
# Special for the production of woolen textiles
# characteristics of agricultural production
# The specificity of scientific production in the economics of the media
# The privacy of intellectual and material media production
# Characteristics and results of natural sciences and social sciences
# Characteristics of the media product and the media industry
# Media Production Privacy Introduction
# Concerning animal production
