WAHYU PERDANA, S.; RAHAYUNI, K.; TAUFIK, T.; SUPRIYATNA, S. Development Of Imagery And Self-Talk Exercises To Improve The Shooting Game Ability Of Nusantara Petanque Club Athletes . Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, v. 8, n. 3, p. 86-99, 23 Oct. 2022.