الإتاحة: https://doi.org/20.500.12123/4460Testhttps://doi.org/10.1016/j.rvsc.2018.10.016Testhttps://hdl.handle.net/20.500.12123/4460Testhttps://www.sciencedirect.com/science/article/pii/S0034528818303072?via%3DihubTest
الإتاحة: https://doi.org/10.1016/j.tube.2015.07.009Testhttp://hdl.handle.net/11336/112130Test