?url_ver=Z39.88-2004&rft_id=10.20868%2FUPM.thesis.21915&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Santa+Laura&rft.au=Leyva+Rodr%C3%ADguez%2C+Santa+Laura&rft.aulast=Leyva+Rodr%C3%ADguez&rft.title=Valoraci%C3%B3n+de+Indicadores+de+calidad+para+el+dise%C3%B1o+e+implementaci%C3%B3n+de+tecnolog%C3%ADas+de+manejo+en+Luvisoles+de+la+zona+norte+de+la+provincia+de+Las+Tunas%2C+Cuba&rft.degree=Doctoral&rft.date=2013&rft.inst=E.T.S.I.+Agr%C3%B3nomos+(UPM)+%5Bantigua+denominaci%C3%B3n%5D+%3Chttps%3A%2F%2Foa.upm.es%2Fview%2Finstitution%2FAgronomos%2F%3E