(3Odjd GdMOjbI GdefRdjI (B:s (3GdGeQGV GdfHGJjI dGTLGQ GdaGcgI ai GdMOjbI GdefRdjI h WQb ecGaMJgG (B/s - (3YHO Gddg, efYe UHQi(B.s ([(3O(B.(3e(B. :s (3O(B.(3f(B.](3,s, 1990)
(3jMJhi Ydi bGFeI HHdjhLQGajI HGdeQGLY (B((3U(B75).s
1
Keywords: (3GdahGcIs -- (3CeQGV(B.s