Hassan, O. M., & khamis, H. S. Biogas production from sewage sludge by anaerobic digestion. Tikrit University.
Chicago Style (17th ed.) CitationHassan, Omar Mohammed, and Hamid Salman khamis. Biogas Production from Sewage Sludge by Anaerobic Digestion. Tikrit University.
MLA (9th ed.) CitationHassan, Omar Mohammed, and Hamid Salman khamis. Biogas Production from Sewage Sludge by Anaerobic Digestion. Tikrit University.
Warning: These citations may not always be 100% accurate.