D. Orhon

• Water Quality International '96
• Water Quality International '96 Pt. 1
• Water Quality International '96 Pt. 3
• Water Quality International '96 Pt. 4
• Water Quality International '96 Pt. 5
• Water Quality International '98 Part 1 : Wastewater
• Water Quality International '98 Part 2 : Solid Wastes
• Water Quality International '98 Part 4 : Wastewater
• Waste Management Problems in Agro Industries 1995
• Water Quality International '98