Vol. 5, No. 1, December 2021
Hamza Bahri, Adelghani Harrag
https://doi.org/10.18280/psees.050101
Page 1-7
Ibtissame Benoudjafer, Imene Benoudjafer
https://doi.org/10.18280/psees.050102
Page 8-11
Si Chaib Amel, Aliane Khaled
https://doi.org/10.18280/psees.050103
Page 12-16
Firas A. Abbaa, Mohammed H. Alhamdo
https://doi.org/10.18280/psees.050104
Page 17-25
Khawla Sleiman, Stefan Van Vaerenbergh, Tayssir Hamieh
https://doi.org/10.18280/psees.050105
Page 26-34