Martín-Lorente, Encarna, José Campos, and Miguel Crespo. “The Inside Out Forehand: Technique and Methodology”. ITF Coaching & Sport Science Review 26, no. 76 (December 31, 2018): 8–11. Accessed April 24, 2024. https://itfcoachingreview.com/index.php/journal/article/view/157.