editors by G. Russell Pipe; A.A.M. Veenhuis
North-Holland Publishing Company, 1975
Buku Teks
United Nations Children’s Fund , 1965
Buku Teks
The National Computers Centre for Iraq NCC
IBI, 1975
Buku Teks
John Wiley & Sons, 1978
Buku Teks
John Wiley & Sons, 1978
Buku Teks