(3GdfXQjI GdYGeI ddLQjeI Hjf GdTQjYI hGdbGfhf (B/ s - (3MSfjf, YRJs ((3GdQjGV (B: s (3OGQ GdYdhe ddWHGYI hGdfTQ, s, 1984)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdLQjeI hGdeLQehfs; (3GdYbhHGJ (B((3abg ESdGej(B)s; (3GdbGfhf GdLfGFjs