A. Mohamed Mydeen and  Pallapa Venkataram,  A Method of Representing Knowledge of Toolkits in a Pervasive Toolroom Maintenance System.   journal   = {International Journal of Information and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 110(2). 337 - 345
    [viewed 24 October 2019]. Available from: https://publications.waset.org/pdf/10003775.