(3eLehYI GdJTQjYGJ GdLfGFjI (B/s - (3djHjG(B.s (3GdgjFI GdYGeI dTDhf GdbVGAs ((3WQGHdS, djHjG (B:s (3GdgjFI GdYGeI dTDhf GdbVGA,s, 1986)
(3GdeMJhjGJ (B: (3eLdO (B1. (3GdYbhHGJ(B-(3eLdO (B2. (3GdELQGAGJ GdLfGFjI(B.s
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3bGfhf GdELQGAGJ GdLfGFjIs -- (3djHjGs; (3bGfhf GdYbhHGJs -- (3djHjGs; (3GdbGfhf GdLfGFjs -- (3djHjGs