Amalia, A. F.; Adi, D. P. THE SUCCESS RATE OF THE ONLINE LEARNING SYSTEM IN THE MIDST OF THE COVID-19 PANDEMIC IN SOCIAL STUDIES SUBJECTS: A CASE STUDY OF MTS STUDENT NURUL JADID RANDUBOTO SIDAYU GRESIK: TINGKAT KEBERHASILAN SISTEM PEMBELAJARAN DARING DITENGAH PANDEMI COVID-19 PADA MATA PELAJARAN IPS: STUDI KASUS SISWA MTS NURUL JADID RANDUBOTO SIDAYU GRESIK. solidarity 2020, 1, 1-12.