(3GdUfGYGJ GdcjejGFjI GdJLGQjI (B500 (3eQcH cejGFi (B: s (3eG jLH Gf JYQag ehGO JLejd GehGOdgG GdefXaGJ hGdUGHhf (B/ s - (3YHOGdcQje OQhjTs ([S.N] : (3OGQ GdeYQaI , s, 1988)
Keywords: (3GdefXaGJs; (3GdUfGYGJ GdcjejGFjIs; (3GdehGO GddGUbIs; (3GdefXaGJ GdUfGYjIs; (3eSJMVQGJ GdJLejd (B- (3UfGYI hJLejds