(3bGfhf Qbe (B(11) (3dSfI (B1984 (3e UGOQ aj (B19 (3GHQjd (B1984 (3e HTCf GdeQhQ Ydi GdWQb GdYGeI(B.s - (3djHjG(B.s ((3WQGHdS, djHjG (B:s (3GddLfI GdTYHjI GdYGeI ddYOd,s, 1997)
Keywords: (3GdeQhQs -- (3bhGfjf hJTQjYGJs -- (3djHjGs