Syefrida Yulina and Mona Elviyenti 2022. An Exploratory Data Analysis for Synchronous Online Learning Based on AFEA Digital Images. Jurnal Nasional Teknik Elektro dan Teknologi Informasi. 11, 2 (May 2022), 114-120. DOI:https://doi.org/10.22146/jnteti.v11i2.3867.