Daisuke Saito, Yui Ono, Mio Ezure, Hironori Washizaki and Yoshiaki Fukazawa, “Relating Logical Thinking Skills to Program Complexity in Children’s Programming Education,” IEEE International Conference on Teaching, Assessment and Learning for Engineering (TALE 2023), Work-in-Progress paper, 27 Nov – 1 Dec 2023, Auckland, New Zealand