Intani, A., and R. Mulyadi. “Analisis Anxiety Atlet Futsal Saat Sebelum Bertanding Siswa Ekstrakulikuler SMPIT Thariq Bin Ziyad Boarding School Cikaran”. Jurnal Olympia, vol. 2, no. 1, June 2020, pp. 22-28, doi:10.33557/jurnalolympia.v2i1.884.