Nikolay L. Ponomarev, Anatoly A. Opletin, Aleksandr N. Legotkin, Valery D. Panachev, Leonid A. Zelenin,. «System of Exercises for Development of students’ Motor Abilities». Opción 350 (agosto 13, 2019): 719-733. Accedido junio 13, 2025. https://mail.produccioncientificaluz.org/index.php/opcion/article/view/24726.