Browsing by Author "Pérez, Fernando"

Artículo

Assessment of three antimicrobial residue concentrations in broiler chicken droppings as a potential risk ...

Yévenes, Karina; Pokrant, Ekaterina; Pérez, Fernando; Riquelme, Ricardo; Avello, Constanza; Maddaleno, Aldo; San Martín Núñez, Betty; Cornejo, Javiera (MDPI AG, 2019)

© 2018 by the authors. Licensee MDPI, Basel, Switzerland.Tetracyclines, sulfonamides and amphenicols are broad spectrum antimicrobial drugs that are widely used in poultry farming. However, a high proportion of these drugs ...

Tesis

Software para el aprendizaje de la geometría plana y espacial en estudiantes de diseño.

Abarca, Ricardo (Universidad de Chile, 2005)

Tesis

El uso de internet en el aprendizaje de la pronunciación inglesa.

Sanhueza Martínez, Ernesto (Universidad de Chile, 2005)