Khasanah U, Fauji I. Online Learning Strategies during the Covid-19 Outbreak in the Pie Study Program on Campus. acopen [Internet]. 2022Jun.30 [cited 2024May5];60:10.21070/acopen.6.2022.2407. Available from: https://acopen.umsida.ac.id/index.php/acopen/article/view/2407