Pradana, A. W. and Irmawati, D. (2020) “Pendeteksi Bola Pada Robot Penjaga Gawang Menggunakan Metode Hough Circle”, Elinvo (Electronics, Informatics, and Vocational Education), 5(1), pp. 21–31. doi: 10.21831/elinvo.v5i1.20794.