الإتاحة: https://doi.org/20.500.12110/tesis_n4882_EirinTesthttps://hdl.handle.net/20.500.12110/tesis_n4882_EirinTesthttp://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=aextesis&d=tesis_n4882_Eirin_oaiTest
الإتاحة: http://digital.bl.fcen.uba.ar/gsdl-282/cgi-bin/library.cgi?a=d&c=tesis&d=Tesis_4882_EirinTesthttp://repositoriouba.sisbi.uba.ar/h/2463Testhttp://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=aextesis&d=Tesis_4882_Eirin_oaiTest
الإتاحة: https://doi.org/20.500.12110/tesis_n4882_EirinTesthttps://hdl.handle.net/20.500.12110/tesis_n4882_EirinTest
الإتاحة: http://repositoriouba.sisbi.uba.ar/gsdl/cgi-bin/library.cgi?a=d&c=avaposgra&cl=CL1&d=HWA_7156Testhttp://repositoriouba.sisbi.uba.ar/gsdl/collect/avaposgra/index/assoc/HWA_7156.dir/7156.PDFTest