(3TQM bGfhf GdYbhHGJ GdCQOfj GdbSe GdYGe (B/s (3GdOcJhQ eMeO UHMj fLe cdjI GdMbhb GdLGeYI GdCQOfjI(B.s - (3eMeO UHMj fLes ((3GdbGgQI (B:s (3ecJHI OGQ GdKbGaI ddfTQ h GdJhRjY,s, 1991)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI hagQS(B.s
Keywords: (3GdbGfhf GdLfGFjs; (3bGfhf GdYbhHGJs