(3ELQGAGJ VHW GdLQjeI (B/s - (3GdeGdcj, eMeO Ydjs; (3YHO Gddg, YeGO MSjf s (1989)
(3jTJed Ydi edGMb(B.s
(3HHdjhLQGajI (B: (3hQbI (B204-213.s
(3jTJed Ydi eSJNdU HGddZJjf GdYQHjI hGdEfLdjRjI(B.s
Keywords: (3GdJMbjb GdLfGFjs; (3GdCOdI GdLfGFjIs; (3QSGdI LGeYjI (B((3eGLSJjQ(B)s