A. D. Ranaa, F. Adzkiaunnisa, S. K. S. Kinanti, S. Kusuma Ardi, and A. R. Saputra, “The Use of Indonesian by Danish Athlete ‘Mathias Christiansen’ in Various Competitions as a Form of Love for the Indonesian Language”, kirana, vol. 3, no. 1, pp. 32–35, Mar. 2026.