(3GdLQGFe hGdYbhHGJ (B/s - (3HcGQjG, JTjRGQjs; (3MjGJj, jYbhH eMeOs ((3GdchjJ (B:s (3eDSSI GdchjJ ddJbOe GdYdej, EOGQI GdJCdja hGdJQLeI,s, 1985)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdYbhHGJs; (3GdbGfhf GdLfGFjs; (3GdLQjeI hGdeLQehfs