authored books

1. "Microbiology of Water & Wastewater"
   Gagik Badalians Gholikandi
   آييژ, Iran, 2016, ISBN: 978-964-970-482-1
2. "Wastewater Treatment Plant Design"
   Gagik Badalians Gholikandi
   آييژ, Iran, 2009, ISBN: 9789649701554
3. "Chemistry of Water, second Edition"
   Gagik Badalians Gholikandi
   نوپردازان, Iran, 2006, ISBN: 9648142092
4. "Applied Microbiology of Water and Wastewater"
   Gagik Badalians Gholikandi
   آييژ, Iran, 2004, ISBN: 964-7006-93-4
5. "Chemistry of Water, first Edition"
   Gagik Badalians Gholikandi
   نوپردازان, Iran, 2003, ISBN: 9648142092
6. "Public-Private Partnership for Infrastructure Development of Water Power Industry Based to BOT Method"
   Gagik Badalians Gholikandi
   نوپردازان, Iran, 2003, ISBN: 964-6724-85
7. "Physical, Chemical and Biological Processes Design for Wastewater Treatment"
   Gagik Badalians Gholikandi
   دانشگاه صنعت آب و برق (شهيد عباسپور ), Iran, 2002, ISBN: 964-93442-2-5
8. "Applied Microbiology of Water and Wastewater"
   Gagik Badalians Gholikandi
   نوپردازان, Iran, 2002, ISBN: 964-6724-74-4

translated books

1. "Enhanced Electrochemical Advanced Oxidation Processes for Wastewater Sludge Stabilization and Reuse"
   Gagik Badalians Gholikandi
   انتشارات علمي نوا-نيويورك, USA, 2015, ISBN: 978-1-63482-090
2. "Methanogenesis: Biochemistry, Ecological Functions, Natural and Engineered Environments"
   Gagik Badalians Gholikandi
   نووا ساينس پابليشرس, USA, 2014, ISBN: 978-1-63321-567