Wibowo Kurniawan A, Iqbal Tawakal M. Survey on the Effectiveness of Online Learning Processes Due to the Coronavirus (Covid-19) Pandemic in Table Tennis Course. SPORTIF [Internet]. 2022 Nov. 11 [cited 2024 Dec. 23];8(3):119-35. Available from: https://ojs.unpkediri.ac.id/index.php/pjk/article/view/18897