Mikael Soini and  Kari Björn,  A Case Study on Theme-Based Approach in Health Technology Engineering Education: Customer Oriented Software Applications.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    February 2017, vol. 123(3). 665 - 669
    [viewed 21 October 2019]. Available from: https://publications.waset.org/pdf/10006706.