How can we Teach Educational Robotics to Foster 21st Learning Skills through PBL, Arduino and S4A? - Alexandra Sierra Rativa (RiE, 2018)

The Uncanny Valley of the Virtual (Animal) Robot. - Alexandra Sierra Rativa; Marie Postma; Menno van Zaanen (RiE, 2019)

The Effectiveness of a Robot Animal as a Virtual Instructor. - Alexandra Sierra Rativa; Cindy Carolina Vasquez; Fernando Martinez; Wily Orejuela Ramirez; Marie Postma; Menno van Zaanen (RiE, 2020)

The uncanny valley of a virtual animal. - Alexandra Sierra Rativa; Marie Postma; Menno van Zaanen (Comput. Animat. Virtual Worlds, 2022)