Sánchez Estrada, J. S. (2021). Methodology for the mitigation of risks in the improvement of tertiary roads in Cundinamarca, Colombia. Universidad Pedagógica y Tecnológica de Colombia - UPTC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSánchez Estrada, Juan Sebastián. Methodology for the Mitigation of Risks in the Improvement of Tertiary Roads in Cundinamarca, Colombia. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSánchez Estrada, Juan Sebastián. Methodology for the Mitigation of Risks in the Improvement of Tertiary Roads in Cundinamarca, Colombia. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2021.
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