(3ehShYI GdJQZjH h GdJQgjH aj GdOfjG hGdGNQI (B/ s - (3eUWai, GSGeI fYjes ((3YeGf (B: s (3OGQ YGde GdKbGaI ddfTQ hGdJhRjY, s, 2003)
Keywords: (3GdMOjK GdTQja(B. s; (3GdJQZjH h GdJQgjH(B. s; (3Gdjhe GdBNQ(B.s; (3GdKhGH h GdYbGH(B. s