(3cTa GdZeI Yf LejY GdGeI (B/ s - (3GdTYQGfi (B, (3GHhGdehGgH YHOGdhs ((3HjQhJ (B: s (3OGQ GdcJH GdYdejI , s, 1998)
Keywords: (3GdGMcGe GdTQYjIs; (3Gdabg GdGSdGei (B- (3Ydes; (3GdbhGYO GdabgjIs; (3GdGLJgGO (B((3abI GSdGei(B)s; (3GdTYQGfi , GHh GdehGgH YHOGdhgGHs