Lolonguju, Refani Selfian, and Yun Ratna Lagandesa. “ANALYSIS OF THE EFFECTIVENESS OF USING THE ZOOM APPLICATION IN LEARNING DURING THE COVID-19 PANDEMIC”. Elementary School of Education E-Journal, vol. 9, no. 1, Mar. 2021, pp. 83-92, https://jurnalfkipuntad.com/index.php/jem/article/view/1066.