Al-Nabulsi, Hana Hosni Mohammed. “Factors Affecting the Participation of University Students in Volunteering During the Covid-19 Pandemic - A Study on a Sample of Jordanian University Students”. Journal of Humanities & Social Sciences, vol. 6, no. 11, Sept. 2022, pp. 101-27, https://doi.org/10.26389/AJSRP.N140222.