Christabel, Patricia and Soonggalon, Erikson Ferry and Umniyati, Yunita (2015) Development of Wireless Controller for a Mobile Robot that Balances on A Ball. Bachelor thesis, Swiss German University.

Satrio, Nicolaus Dwi and Soonggalon, Erikson Ferry (2012) Designing, Building and Controlling a Mobile Robot That Balances on A Ball. Bachelor thesis, Swiss German University.

Andreas, Andreas and Soonggalon, Erikson Ferry (2011) Developing A Quadrupedal Robot With Speech Recognition Movement Control. Bachelor thesis, Swiss German University.