H. Al-Najar 2011. The integration of FAO-CropWat model and GIS techniques for estimating irrigation water requirement and its application in the Gaza Strip. Natural Resources. 2011, 2, 146- 154.


Shatat M and H. Al-Najar. The impacts of temperature variation on wastewater treatment in the Gaza Strip: Gaza wastewater treatment plant as case study. Conference of Water and Climate Change in the MENA-Region: Adaptation, Mitigation, and Best Practices. 28th April, 2011. Berlin Germany.


Muhammed Al-Khatib and H. Al-Najar 2011. Hydro-geo-chemical characteristics of groundwater beneath the Gaza Strip. Journal of Water Resources and Protection. 3 (5): 341-348.


Mohammed Al-Safady and H. Al-Najar 2011. Disinfection Process of Water Supply System in the Gaza Strip Between Real Practice and WHO Limitations. Research Journal of Environmental Sciences. 5 (5): 414-423.


Ahmed Hilles and H. Al-Najar 2011. Brackish Water Desalination Is the Merely Potable Water Potential in the Gaza Strip: Prospective and Limitations. Journal of Environmental Science and Technololgy. 4 (2): 158-171.


Nassar A., H.Al-Najar, M. Smith and M. Ghannam. 2010. Gaza Wastewater treatment plant as a model for low cost wastewater treatment technology in semi-arid environment. Journal of environmental science.Vol 4(2): 149-157.


Abdelmajid R. Nassar, H. Al-Najar and Jamal Y. Al-Dadah. 2009. Socio-Economic Aspects of Wastewater Reuse in the Gaza Strip. J. Environ. Sci. Techno 2(4):170-178.


H. Al-Najar. 2007. Urban agriculture and Eco-sanitation: The strategic potential toward poverty alleviation in the Gaza Strip. RICS Research 7(7): 9-22.


Yassin M.; S. Abu Amr; and H. Al-Najar. 2006. Assessment of microbiological water quality and its relation to human health in Gaza Governorate. J. Public Health 120: 1177-1187.


Khalaf A.; H. Al-Najar; and J. Hamad. 2006. Assessment of rainwater run off due to the proposed regional plan for Gaza Governorates. J. Applied Sci., 6(13): 2693, 2704.


El-Hawi M. and H. Al-Najar 2005. Planning Challenges of Solid Waste Landfill Disposal Facilities: The Gaza Strip Case. In The 8th Sharjah Urban Planning Symposium (SUPS8) UAE.


Al-Najar H., A.J. Adeloye 2005. The effect of urban expansion on groundwater as a renewable resource in the Gaza Strip. RICS Research 5(8): 7-21.


Al-Najar H., R. Schulz, J. Breuer und V. Roemheld 2005. Effect of different cropping systems and time function on the mobility and uptake of heavy metals. Environ. Chem. Lett. 3(1): 13-17.


Al-Najar, H., R. Schulz and V. Roemheld 2005. Phytoremediation of thallium contaminated soils by Brassicaceae. In: Environmental Chemistry. Green Chemistry and Pollutants in Ecosystems. E. Lichtfouse, J. Schwarzbauer, D. Robert (Eds.). Springer (ISBN 3-540-22860-8). Chap. 17, 187-196.


Al-Najar H.; R. Schulz; Kaschl A. and V. Roemheld 2005. The effect of thallium fractions in the soil and pollution origin on Tl uptake by hyperaccumulator plants: A key factor for assessment of phytoextraction. International Journal of Phytoremediation, 7(1): 55-67.


Al-Najar H.; R. Schulz; J. Breuer; and V. Roemheld. 2003. Effect of bio-compost application on soil structure, crop yield and possible food chain contamination by heavy metals. P. 1750-1756/III in L. Shenyang et al. (Eds.) Proceeding of the 12th World Fertilizer Congress Beijing, China.


Al-Najar H.; R. Schulz and V. Roemheld 2003. Plant availability of thallium in the rhizosphere of hyperaccumulator plants: a key factor for assessment of phytoextraction. Plant and Soil 249: 97-105.


Al-Najar H. 2002 Phytoextraction of thallium-contaminated soils by Brassicaceae genotypes: Role of chemical and spatial availability of thallium in soils and uptake capacity of roots. PhD thesis, Grauer publisher (ISBN 3-86186-421-5).


Al-Najar H.; R. Schulz; J. Breuer; and V. Roemheld. 2002. Mobil­ity and uptake of heavy metals in different land use systems after long-term sewage sludge application. P. 1726 In. The 17th World Congress of Soil Science (17thWCSS) proceeding, Bangkok, Thailand


Al-Najar H., Aiyen, R. Schulz and V. Roemheld 2002. Changes in the binding forms of heavy metals in the rhizosphere of hyperaccumulator plants as a key factor for assessment of phytoremediation. P. 27-28 In: Cost Action 837 4th WG2 Workshop “Risk assessment and sustainable land management using plants in trace element-contami­nated soils” Proceeding, Bordeaux, France


Al-Najar H.; R. Schulz; and V. Roemheld 2002. Heavy met­als in municipal organic wastes: Limits and prospects. In. Sino German recycling workshop Proceeding. Beijing, China.


Al-Najar H.; R. Schulz; V. Roemheld. 2002. Effect of differ­ent cultivation techniques of Brassicaceae on Tl phytoex­traction and Tl binding forms in the soil. P. 142- 147. In W. Merbach et al. (Eds.) Durchwurzelung, Rhizodeposition und Pflanzenverfügbarkeit von Nährstoffen und Schwer­metallen. B.G. Teubner Publisher (ISBN 3-519-00377-5).


Al-Najar H.; R. Schulz; V. Roemheld. 2001. Binding forms of thallium in the rhizosphere of the hyperaccumulators kale and candytuft Brassicaceae. p. 391. In Proceeding 6th International Conference on the Biogeochemistry of Trace Elements; Guelph Canada


Schulz R.; Al-Najar H.; J. Breuer; V. Roemheld. 2001. The effect of bio-compost application on crop yield and nitrogen dynamic in the soil. p. 986-987. In W. J. Horst et al. (Eds.) Plant nutrition-Food security and sustainability of agro-eco­systems. Kluwer Academic Publishers, Dordrecht.