APA (7th ed.) Citation

Nur Sarafina, S. (2015). Biomethanation of sewage sludge by using ultrasonic membrane anaerobic system (UMAS) using sewage sludge as substrate.

Chicago Style (17th ed.) Citation

Nur Sarafina, Samsudin. Biomethanation of Sewage Sludge by Using Ultrasonic Membrane Anaerobic System (UMAS) Using Sewage Sludge as Substrate. 2015.

MLA (9th ed.) Citation

Nur Sarafina, Samsudin. Biomethanation of Sewage Sludge by Using Ultrasonic Membrane Anaerobic System (UMAS) Using Sewage Sludge as Substrate. 2015.

Warning: These citations may not always be 100% accurate.