(3GdEZJQGH hGdJWQa fMh GdYfa (B:s (3OQGSI faSjI GLJeGYjI (B/s - (3YHO GdeNJGQ, eMeO NVQs ((3GdbGgQI (B:s (3OGQ ZQjH,s, 1998)
(3HHdjhLQGajI (B: (3U(B. 239-255.s
Keywords: (3GdGZJQGH GdGLJeGYjs; (3GdGZJQGH (B((3Yde faS(B)s; (3GdYfas; (3GdJWQa GdOjfjs