P-CUBE: Block Type Programming Tool for Visual Impairments. - Shun Kakehashi; Tatsuo Motoyoshi; Ken'ichi Koyanagi; Toru Oshima; Hiroshi Kawakami (TAAI, 2013)

Improvement of P-CUBE: Algorithm education tool for visually impaired persons. - Shun Kakehashi; Tatsuo Motoyoshi; Ken'ichi Koyanagi; Toru Oshima; Hiroyuki Masuta; Hiroshi Kawakami (RiiSS, 2014)

The usefulness of P-CUBE as a programming education tool for programming beginners. - Tatsuo Motoyoshi; Shun Kakehashi; Hiroyuki Masuta; Ken'ichi Koyanagi; Toru Oshima; Hiroshi Kawakami (RO-MAN, 2015)