Ryo Suzuki, Ikuro Choh. Using Emoji as Image Resources in Educational Programming Tools. Communications in Computer and Information Science. 2020. 1225. 325-331
Ryo Suzuki, Takuto Takahashi, Kenta Masuda, Ikuro Choh. Implementing Node-Link Interface into a Block-Based Visual Programming Language. Lecture Notes in Computer Science. 2018. 455-465