(3OhQ GdNHjQ Gdafj aj GdNUheI (B/s - (3Ydj GdTMGJ GdMOjOjs; (3aJMj hGdj (B: s; (3LGeYI GdbGgQI s (3cdjI GdMbhbs ((3GdbGgQI (B: s (3cdjI GdMbhb (B- (3LGeYI GdbGgQI ,s, 1997)
(3GWQhMI(B((3OcJhQGg(B) - (3LGeYI GdbGgQI (B- (3cdjI GdMbhb (B- (3bSe bGfhf GdeQGaYGJ (B1997s
(3jTJed Ydi EQLGYGJ HjHdjhLQGajI(B: s
Keywords: (3bGfhf GdeQGaYGJ s; (3GdNUheIs; (3GdNHjQs; (3QSGFd LGeYjI s -- (3LGeYI GdbGgQI s -- (3cdjI GdMbhbs