9. References:
| 1. | “WWWISIS: a World Wide Web server for ISIS database CDS/ISIS Manual, BIREME, PAHO, Brazil |
| 2. | CDS/ISIS for Windows Reference Manual. Unesco, 1998 |
| 3. | WWWISIS : A World Wide Web Server for CDS/ISIS databases. In Asia-Pacific POPIN Bulletin. Vol 11; 1991 Sept-Dec; pp 19–22 |