بوحياوي ب. and بلحاجي ع. ا. (2021) “The effect of the bubble reserves works in limiting the spread of corona virus: تاريخ الاستلام:08/11/2020 تاريخ القبول:01/02/2021”, Human Resources Development Research, 16(03), pp. 354–372. Available at: https://rdrh.univ-setif2.dz/index.php/rdrh/article/view/357 (Accessed: 2 November 2026).