فدسي ه. and خلفاوي ع., “Covid-19 health crisis and the risk of school dropout A forward-looking analytical study of the phenomenon: تاريخ الاستلام: 2020/11/10تاريخ القبول:2020/12/15”, RDRH, vol. 16, no. 01, pp. 517–536, Jan. 2021.