Septiyanto, Ari, and Suharjana Suharjana. “PENGARUH METODE LATIHAN IMAGERY DAN KONSENTRASI TERHADAP KETEPATAN FLOATING SERVICE ATLET BOLA VOLI DIY”. Jurnal Cakrawala Pendidikan 35, no. 3 (October 27, 2016). Accessed May 14, 2025. https://journal.uny.ac.id/index.php/cp/article/view/8249.