Emilia E, Ingtyas FT, Agustina ND, Hilda N, Siahaan RF ,. Analisis Kesulitan Pembelajaran Daring Selama Pandemi Covid-19 Siswa Smk 1 Beringin Medan. jptam [Internet]. 2019 Dec. 25 [cited 2025 Apr. 4];3(3):1724-30. Available from: http://jptam.org/index.php/jptam/article/view/3165