Kachi H, Yasunaga T, Sakai K, Hyuga R, Shiota S. DEVELOPMENT AND EVALUATION OF MATERIALS FOR CHILDREN TO REDUCE THE TABLET DEVICE OPERATIONAL PROBLEMS: Received: 10th January 2022; Revised: 14th February 2022, 3rd March 2022, 5th March 2022; Accepted: 7th March 2022. pijtel [Internet]. 2022 Apr. 12 [cited 2023 Jan. 27];6(1):271-84. Available from: https://grdspublishing.org/index.php/PUPIL/article/view/1987