https://doi.org/10.18280/i2m.180201
https://doi.org/10.18280/i2m.180201
https://doi.org/10.1080/01430750.2019.1594369
https://doi.org/10.1063/1.5138582
https://doi.org/10.1080/01430750.2019.1708792
https://doi.org/10.2478/jwld-2019-0019
https://www.scientificbulletin.upb.ro/rev_docs_arhiva/full6fa_816749.pdf
https://www.ajol.info/index.php/jfas/article/view/247262
Commentaires récents