(3jhejGJ ef HZOGO (B/ s - (3YHOGdQMje GdfOGs; (3hGjfQ(B, (3QhHQJs; (3YeGO LhdGbs ([S.N] : (3GdGgdjI ddfTQ hGdJhRjY , s, 1992)
Keywords: (3GdchjJs; (3GdYQGbs; (3GdTQb GdGhSWs; (3GdJdjaRjhfs; (3MQH GdNdjLs; (3hSGFd GdGYdGes; (3GdUMajhfs