About Journal

The Journal of Engineering Research ”TJER” is an open-access refereed International publication of Sultan Qaboos University. TJER is envisaged as a refereed international publication of Sultan Qaboos University, Sultanate of Oman. The Journal is to provide a medium through which Engineering Researchers and Scholars from around the world would be able to publish their scholarly applied and/or fundamental research works, Readmore...

Khalil, Amal, Dr./ Dept. of Envi. Eng., College of Eng., Univ. of Babylon, Iraq., Iraq

The Journal of Engineering Research [TJER] Vol. 18 No. 1 (2021) - Articles
IMPROVING OF BIOGAS PRODUCTION USING DIFFERENT PRETREATMENT OF RICE HUSK INOCULATED WITH OSTRICH DUNG
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