IGI Global e-books (Hershey, Pennsylvania : IGI Global Electronic Resources, 2000)
Bib-id :3570348/3570441/3570463/3570464/3570466/3570467/3570468/3570469/3555750/3555813/3570474/3570475/3570476/3570477/3570478/3570479/3570480/3570481/3570482