Dyfyniad APA

Higuera-Martinez, O. I. (2017). Student dropout in Colombia and the engineering programs of the Uptc campus Sogamoso. Universidad Pedagógica y Tecnológica de Colombia - UPTC.

Dyfyniad Arddull Chicago

Higuera-Martinez, Oscar Ivan. Student Dropout in Colombia and the Engineering Programs of the Uptc Campus Sogamoso. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2017.

Dyfyniad MLA

Higuera-Martinez, Oscar Ivan. Student Dropout in Colombia and the Engineering Programs of the Uptc Campus Sogamoso. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2017.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.