Setiawardhana, Rudy Dikairono, Djoko Purwanto, and Tri Arief Sardjono. “Goalkeeper Robot Navigation Based on Ball Position and Arrival Time Prediction”. Jurnal Nasional Teknik Elektro Dan Teknologi Informasi, Vol. 9, no. 3, Aug. 2020, pp. 296-04, doi:10.22146/.v9i3.295.