LI, Rong; CUI, Weicheng. Harnessing Active Force: The Pumping Mechanism of Child’s Swing Motion. European Journal of Applied Sciences, [S. l.], v. 12, n. 4, p. 164–182, 2024. DOI: 10.14738/aivp.124.17314. Disponível em: https://scholarpublishing.org/journals/index.php/EJAS/article/view/8835. Acesso em: 30 may. 2026.