(3GSeGA Gddg GdMSfi(B: (3eYfGgG(B- (3aVdgG (B- (3GdOYGA HgG (B/ s - (3YHOGdMejO cTcs ([S.N] : (3GdeNJGQ GdGSdGei ddWHY hGdfTQ hGdJhRjY , s, 1990)
Keywords: (3GdGSeGA GdMSfis