(3ePcQGJ Thbi NjQ Gddg (B/ s - (3Thbi NjQGddgs ([S.N] : (3OGQ GdLOjO , s, 1990)
Keywords: (3GdJQGLes; (3dHfGfs; (3GdJQGLe GdPGJjIs; (3GdbhejI GdYQHjIs