الوصول الحر: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c3dc3af018140060cda202c7d2bea971Testhttp://hdl.handle.net/11452/32390Test
الإتاحة: https://doi.org/20.500.12110/paper_00283835_v80_n2_p100_PietraneraTesthttps://hdl.handle.net/20.500.12110/paper_00283835_v80_n2_p100_PietraneraTest
الإتاحة: https://doi.org/20.500.12110/paper_00283835_v80_n2_p100_PietraneraTesthttps://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00283835_v80_n2_p100_PietraneraTesthttps://hdl.handle.net/20.500.12110/paper_00283835_v80_n2_p100_PietraneraTest