N. Nurkhadri, Gres Nina Natalia Br Sembiring, Apul Danikesuma Ginting, Chrismanto Panjaitan, Martinus Vincent Debataraja, and Everanza Perdana Ginting, “Survey Keterampilan Teknik Dasar Tenis Lapangan Pada Atlet Tenis Kota Medan”, JIM, vol. 3, no. 1, pp. 196–199, Dec. 2023.