(3ZjK GdehGgH GdYdjI aj TQM GdMce GdYWGFjI (B/ s - (3EHf YHGO, CHh YHO Gddg eMeO Hf (B... (3GdQfOi GdfaQj(B. s ({ (3ZjQ eYQa(B}. s (3QVG Jhajb Yajaj, s, 1970)
Keywords: (3GdadSaI GdESdGejI(B.s; (3GdJUha GdESdGej(B.s