(3GdeQcR GdbGfhfj dMGFR Gdefbhd GdeJMUd ef LQGFe GdCehGd (B:s (3OQGSI JMdjdjI JCUjdjI aj VhA GdYdGbGJ Hjf GdbGfhf GdLfGFj hGdbGfhf GdeOfj (B/s - (3hRjQ, YHO GdYXje eQSjs ((3GdbGgQI (B:s (3OGQ GdfgVI GdYQHjI,s, 1987)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3LQGFe GdCehGds -- (3bhGfjf hJTQjYGJs -- (3eUQs; (3GdbGfhf GdLfGFjs -- (3eUQs