Haqiqi KT, Hariyono E, Lestari NA. The Effectiveness Of Online Based Physics Learning In The Covid-19 Pandemic Period On The Material Of Work And Energy. pendipa. jurnal. pendik. sains [Internet]. 2021 May 29 [cited 2024 May 1];5(3):451-8. Available from: https://ejournal.unib.ac.id/pendipa/article/view/15687