(3Yde GdELQGe hGdYbGH (B:s (3OQGSI JMdjdjI dXGgQI GdELQGe hGdSjGSI GdYbGHjI aj GdJTQjY GddjHj hGdebGQf (B/s - (3LYaQ, Ydj eMeOs ((3HjQhJ (B:s (3GdeDSSI GdLGeYjI ddOQGSGJ,s, 1992)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdLQjeI hGdeLQehfs -- (3bhGfjf hJTQjYGJs -- (3djHjG s; (3bGfhf GdYbhHGJs -- (3djHjGs