(3GdNdjL GdYQHi(B: (3bGFeI ehdaGJ eYQaI (B/ s - (3eQcR GdJhKjb GdGYdGeis ([S.N] : (3eQcR GdJhKjb GdGYdGei dOhd GdNdjL GdYQHi , s, 1986)
Keywords: (3GdNdjL GdYQHis; (3GdNdjL GdYQHi (B- (3GdHHdjhLQGajGJs