Wahyu Perdana, S., Rahayuni, K., Taufik, T. and Supriyatna, S. (2022) “Development Of Imagery And Self-Talk Exercises To Improve The Shooting Game Ability Of Nusantara Petanque Club Athletes ”, Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, 8(3), pp. 86-99. doi: 10.29407/js_unpgri.v8i3.18810.