books عمله في مجال الاتصال
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# His work in the field of art
# His work in the academic field
# His work in the field of missiles
# His work in the field of depression
# His work in the scientific field
# His work in the field of teaching and advocacy
# His work in the field of sports media
# means of communication in the field of education
# Scientific research in the field of communication
# Communication in the sports field
# Communication in the field of agricultural extension
# Obstacles to communication in the field of education
# Social service in the field of communication
# Communication in the field of public relations
# Communication technology in the media field
# Communication in the field of administration
# The field of media and communication
# Effective communication in the medical field
# Technological revolution in the field of communication
# Communication efforts in the health field
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Source: wikipedia.org
عمله في مجال الاتصال (Info)
كان لمارك ليون أثناء الثمانينيات من القرن العشرين دور فعال في إنشاء الاتصالات عبر المحيط الأطلسي بين وكالات الفضاء الأمريكية والفرنسية والإنجليزية. وفي التسعينيات من القرن العشرين أكمل أول ارتباط مسموع/مرئي بالقارة القطبية الجنوبية. وكان يُعتقد وقتها أن هذا العمل الفذ يعد أمرًا مستحيلاً.
