Constantin Pehoiu,  Spatio-Temporal Orientation Development during the Physical Education Class, with 5th and 6th Form Pupils.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    December 2010, vol. 48(12). 2219 - 2228
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/1912.