الإتاحة: https://doi.org/10.1016/j.baae.2023.12.002Testhttp://researchonline.ljmu.ac.uk/id/eprint/22597Test/https://researchonline.ljmu.ac.uk/id/eprint/22597/1/Dalerum_etal_2024.pdfTest
الإتاحة: http://amsdottorato.unibo.it/3650Test/