(3CSHGH GdLQjeI hWHjYI GdSdhc GdELQGej(B.s (3GdcJGH GdChd,s (3CUhd Yde GdELQGe (B/s - (3GdOhQj, YOfGfs ((3GdchjJ (B:s (3PGJ GdSdGSd ddWHGYI,s, 1984)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3Yde GdELQGes; (3GdLQjeI hGdeLQehfs -- (3LhGfH faSjIs; (3GdSdhc GdELQGejs