(3GdUjZ GdbGfhfjI ddOYGhi GdeSJYLdI h GdJfajP GdbVGFi hGdGOGQi (B/ s - (3gdGd jhSa GHQGgjes ([S.N] : (3ejQGi ddWHGYI hGdfTQ , s, 1992)
Keywords: (3GdbGfhfs; (3GdbGfhf GdGOGQis; (3GdbVGA GdeSJYLds; (3GdJhKjb GdYbGQis; (3GdTgQ GdYbGQis; (3GdSLd GdYjfis; (3GdMQGSI Ydi GdGehGds