Irmawati, N. D. “THE ONLINE LEARNING MODEL OF EDUCATION AS A COVID-19 IMPACT FOR PAUD STUDENTS: HOW TO MEASURE ITS SUCCESS?”. International Journal of Research -GRANTHAALAYAH, vol. 8, no. 10, Oct. 2020, pp. 157-63, doi:10.29121/granthaalayah.v8.i10.2020.1902.