(3GdSjGSI GdLRGFjI aj abg GdYbhHGJ GdESdGej GdebGQf (B/s - (3GdMUQj, CMeO eMeOs ((3HjQhJ (B:s (3OGQ GdLjd,s, 1993)
(3GdeMJhjGJ (B: (3U(B. (3eL(B. 1.(3GdeHGOF hGdbhGYO heUGOQ GdJTQjY ddacQ GdYbGHj(B.(3GdYbhHI(B-(3eL(B. 2.(3GdMOhO hGdCTQHI aj Gdabg GdESdGej(B-(3eL(B. 3.(3LQGFe GdbUGU, GdOjGJ, GdYUjGf GdeSdM aj Gdabg GdESdGej GdebGQf hGdbGfhfj(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdbUGU (B((3abg ESdGej(B)s; (3bGfhf GdYbhHGJs -- (3eUQs; (3GdLfGjGJ (B((3abg ESdGej(B)s