Salamanca Sarmiento, C. H. (2016). Sustainability and environmental regional autonomous corporations in Boyacá - Colombia. Universidad Pedagógica y Tecnológica de Colombia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSalamanca Sarmiento, Carlos Humberto. Sustainability and Environmental Regional Autonomous Corporations in Boyacá - Colombia. Universidad Pedagógica y Tecnológica de Colombia, 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSalamanca Sarmiento, Carlos Humberto. Sustainability and Environmental Regional Autonomous Corporations in Boyacá - Colombia. Universidad Pedagógica y Tecnológica de Colombia, 2016.
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