الإتاحة: https://hdl.handle.net/11250/2824380Test
الإتاحة: http://hdl.handle.net/10852/96270Testhttps://www.duo.uio.no/bitstream/handle/10852/96270/1/Final_masters_thesis_Lundahl.pdfTest
الإتاحة: https://hdl.handle.net/11250/2679684Test
الإتاحة: http://hdl.handle.net/11250/2412199Test
الإتاحة: https://hdl.handle.net/1956/16988Test
الإتاحة: https://hdl.handle.net/10037/2419Test