| IPPIS | Instytut Pedagogiki Przedszkolnej i Szkolnej 
| Others |
| IPPIS | INTAN Public Policy Insight Series
| Others |
| IPPIS | INTAN Public Policy Insights Series
| Others |
| IPPIS | Integrated Payroll and Personnel Information System
| Others |
| IPPIS | Integrated Payroll Personnel Information System
| Others |
| IPPIS | Integrated Personnel And Payroll Information System
| Others |
| IPPIS | Integrated Personnel Payroll and Information System
| Others |
| IPPIS | Integrated Personnel Payroll Information System
| Others |
| IPPIS | Ita Personnel and Payroll Information System
| Others |