(3eONd Edi OQGSI GdbGfhf hGdGbJUGO (B/s - (3aQGfch QheGfjs ((3GdGScfOQjI (B:s (3LGeYI GdGScfOQjI,s, 1992)
(3GdfU CZdHg HGddZI GdYQHjI eY HYV GdfUhU GdEfLdjRjIs
Keywords: (3GdeGdjI GdYGeI h GdJTQjY GdVQjHj s