(3TQM bGfhf GdYbhHGJ GdJcejdj aj LQGFe GdeNOQGJ(B-(3GdCSdMI, GdJTQO(B-(3GdJOdjS(B-(3GdJTQO(B-(3JgQjH GdfbO (B/s - (3YHjO, QDha (B((3GdbGfhf(B)s ((3GdbGgQI (B:s (3OGQ GdacQ GdYQHj,s, 1979)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3bGfhf GdYbhHGJs -- (3eUQs; (3GdJTQOs -- (3bhGfjf hJTQjYGJs -- (3eUQs; (3GdeNOQGJs -- (3bhGfjf hJTQjYGJs -- (3eUQs