1. Animation browser/viewer $$|$$ softbank robotics developer center, https://developer.softbankrobotics.com/pepper-qisdk/tools/animation-browser/viewer
2. Conversation $$|$$ softbank robotics developer center, https://developer.softbankrobotics.com/pepper-qisdk/api/conversation
3. NAO the humanoid and programmable robot $$|$$ SoftBank Robotics, https://www.softbankrobotics.com/emea/en/nao
4. Pepper the humanoid and programmable robot $$|$$ SoftBank Robotics, https://www.softbankrobotics.com/emea/en/pepper
5. Usability engineering. Elsevier (1993). https://doi.org/10.1016/C2009-0-21512-1, https://linkinghub.elsevier.com/retrieve/pii/C20090215121