Acea Valdés, Y. (2022). The legal regime of collective marks in Spain: Its significance for the agricultural sector. Universidad Pedagógica y Tecnológica de Colombia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAcea Valdés, Yeney. The Legal Regime of Collective Marks in Spain: Its Significance for the Agricultural Sector. Universidad Pedagógica y Tecnológica de Colombia, 2022.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAcea Valdés, Yeney. The Legal Regime of Collective Marks in Spain: Its Significance for the Agricultural Sector. Universidad Pedagógica y Tecnológica de Colombia, 2022.
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