(3fXGe GdehGQjK aj GdTQjYI GdESdGejI (B:s (3OQGSI ebGQfI Hjf eTQhY GdbGfhf GdGJMGOj dOhdI GdEeGQGJ GdYQHjI GdeJMOI heTQhY GdbGfhf GdYQHj GdehMO deLdS hRQGA GdYOd GdYQH (B/ s - (3WfWGhj, eMehO eMeOs ((3OHj, GdEeGQGJ GdYQHjI GdeJMOI,s (3cdjI TQWI OHj,s, 1989)
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Keywords: (3GdehGQjK (B((3abg ESdGej(B)s; (3GdehGQjKs -- (3bhGfjf hJTQjYGJs -- (3GdHdGO GdYQHjIs; (3GdehGQjKs -- (3bhGfjf hJTQjYGJs -- (3GdEeGQGJ GdYQHjI GdeJMOIs