| Issue Date | Title | Author(s) |
| 2-May-2005 | Assessment of recycling perspectives for olive mill solid waste in Palestine | Ghannam, Muna; Al-Sa'ed, Rashed; Zimmo, Omar |
| Oct-2000 | Comparison between algae-based and duckweed-based wastewater treatment: differences in environmental conditions and nitrogen transformations. | Zimmo, Omar; Al-Sa'ed, Rashed; Gijzen, Huub |
| 2-May-2005 | Nitrogen transformation and wastewater treatment efficiency in algae-based and duckweed-based stabilization ponds | Zimmo, Omar; Al-Sa'ed, Rashed |
| 2011 | Novel Design Concept for Facultative Ponds Using Rock Filters to Reclaim the Effluent | Al-Sa'ed, Rashed; Abu Madi, Maher; Zimmo, Omar |
| Jan-2002 | Process performance assessment of algae-based and duckweed-based wastewater treatment systems. | Zimmo, Omar; Al-Sa'ed, Rashed; Steen, Peter van der; Gijzen, Huub |
| 2004 | Process performance evaluation of the contact stabilization system at Birzeit University campus | Al-Sa'ed, Rashed; Zimmo, Omar |
| 2005 | Prospects of efficient wastewater management and water reuse in Palestine : country study | Zimmo, Omar; Petta, Gigi; Mahmoud, Nidal; Al-Sa'ed, Rashed; Mimi, Ziad; Abu Madi, Maher |
| 2008 | Wastewater Engineering in Question and Answer | Zimmo, Omar |