El-Sayed, M. H., Shawky, H. A., & Abdel Mottaleb, M. S. A. (2004). GEOCHEMISTRY OF WATER RESOURCES AND POLLUTION PROBLEMS IN HELWAN AREA, EGYPT. Egyptian Journal of Desert Research, 54(2), 259-289. doi: 10.21608/ejdr.2004.448909
MLA
M. H. El-Sayed; H. A. Shawky; M. S. A. Abdel Mottaleb. "GEOCHEMISTRY OF WATER RESOURCES AND POLLUTION PROBLEMS IN HELWAN AREA, EGYPT", Egyptian Journal of Desert Research, 54, 2, 2004, 259-289. doi: 10.21608/ejdr.2004.448909
HARVARD
El-Sayed, M. H., Shawky, H. A., Abdel Mottaleb, M. S. A. (2004). 'GEOCHEMISTRY OF WATER RESOURCES AND POLLUTION PROBLEMS IN HELWAN AREA, EGYPT', Egyptian Journal of Desert Research, 54(2), pp. 259-289. doi: 10.21608/ejdr.2004.448909
VANCOUVER
El-Sayed, M. H., Shawky, H. A., Abdel Mottaleb, M. S. A. GEOCHEMISTRY OF WATER RESOURCES AND POLLUTION PROBLEMS IN HELWAN AREA, EGYPT. Egyptian Journal of Desert Research, 2004; 54(2): 259-289. doi: 10.21608/ejdr.2004.448909