Fatrini, F. “THE EFFECTIVENESS OF ASSIGNMENT ON THE LEARNING MOTIVATION OF STUDENTS IN IPA CLASS V SD DDI PALU IN THE ERA OF THE COVID-19 PANDEMIC”. Elementary School of Education Journal, vol. 9, no. 3, Sept. 2021, pp. 273 -82, https://jurnalfkipuntad.com/index.php/jem/article/view/1263.