STRUCTURAL VARIATIONS AND THEIR ADAPTIVE SIGNIFICANCES IN THE BONES OF SOME MIGRATORY AND RESIDENT BIRDS



THE CONTRACT ON ALLOTMENT

Touristic movement, in which millions of people are included today, supposes the existence of numerous organizational-technical conditions in order to satisfy the needs of the tourists, by which numerous relationships are set up between the tourists, as the carriers of the touristic circulation and the providers of the services, resulting in the ob

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