| Nature of Geographic Information: An Open Geospatial Textbook Provider: ecampusontario open library Language: English |
| Astronomy: OpenStax Provider: ecampusontario open library Language: English |
| University Physics Volume 1: OpenStax Provider: ecampusontario open library Language: English |
| Calculus: Volume 3 OpenStax Provider: ecampusontario open library Language: English |
| Practical Meteorology: An Algebra-based Survey of Atmospheric Science Provider: ecampusontario open library Language: English |
| Appunti dal C.so di "Gestione della Circolazione Aerea" Provider: university of bologna digital library Language: Italian |
| Guidelines for Teaching Numeracy: Foundation Phase Provider: oer africa Language: English |
| Geographic Information System Basics Provider: ecampusontario open library Language: English |
| Precalculus: OpenStax Provider: ecampusontario open library Language: English |
| ENERGIA Cap.III°.2 Provider: university of bologna digital library Language: Italian |