Reiko Yamamoto,  How Children Synchronize with Their Teacher: Evidence from a Real-World Elementary School Classroom.   journal   = {International Journal of Psychological and Behavioral Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2019, vol. 152(8). 1123 - 1126
    [viewed 22 October 2019]. Available from: https://publications.waset.org/pdf/10010683.