Digital Love Letter: A Handwriting Based Interface for Non-instant Digital Messenger. - So Jung Bang; Yoonji Song; Jae Dong Kim; Kiseul Suh; Chung-Kon Shi; Graham Wakefield; Sungju Woo (HCI (3), 2014)

Mingle: Wearable Devices for Enhancing Communications and Activities between the Blind and Ordinary People through a Waltz. - Yoonji Song; Jiye Kim (CHI Extended Abstracts, 2015)

TurtleGO: Application with Cubes for Children's Spatial Ability Based on AR Technology. - Yoonji Song; Jae Dong Kim; Hanhyuk Cho (HCI (10), 2019)