Firas A. Al Laban and  Mohamed Chabi and  Sammani Danwawu Abdullahi,  An Approach to Integrate Ontologies of Open Educational Resources in Knowledge Based Management Systems.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    September 2015, vol. 102(6). 2216 - 2220
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