APA-čujuhus (7. p.)

Hamid Nour Abdurahman, Hamid Nour Azhari, & Intech. Production of biogas and performance evaluation of ultrasonic membrane anaerobic system (UMAS) for palm oil mill effluent treatment (POME).

Chicago-čujuhus (17. p.)

Hamid Nour Abdurahman, Hamid Nour Azhari, juo Intech. Production of Biogas and Performance Evaluation of Ultrasonic Membrane Anaerobic System (UMAS) for Palm Oil Mill Effluent Treatment (POME).

MLA-čujuhus (9. p.)

Hamid Nour Abdurahman, et al. Production of Biogas and Performance Evaluation of Ultrasonic Membrane Anaerobic System (UMAS) for Palm Oil Mill Effluent Treatment (POME).

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