(1)
Indrayana, B.; Sadikin, A. Penerapan E-Learning Di Era Revolusi Industri 4.0 Untuk Menekan Penyebaran Covid-19 : (The Application of E-Learning in the Era of the Industrial Revolution 4.0 to Suppress the Spread of Covid-19). IJSSC 2020, 2, 46-55.