(3GdLQGFe GdGbJUGOjI aj GdbGfhf GdebGQf (B/s - (3eUWai, eMehO eMehOs ((3GdbGgQI (B:s (3eWHYI LGeYI GdbGgQI,s, 1979)
(3GdeMJhjGJ (B: (3L(B. 1 (3GdCMcGe GdYGeI hGdELQGAGJ GdLfGFjI(B-(3L(B. 2(3LQGFe GdUQa(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdLQGFe GdGbJUGOjIs -- (3eUQs; (3GdbGfhf GdebGQfs; (3GdbGfhf GdLfGFjs -- (3eUQs