Julio César Vargas Abella, Roy José Andrade Becerra, Luis Edgar Tarazona Manrique (2020) “Prevalence of Gastrointestinal Parasites in Crossbred Sheep Diagnosed at Different Altitudes in the Highland Boyacá-Colombia”, Revista Electronica de Veterinaria, pp. 38 - 49. Available at: https://www.veterinaria.org/index.php/REDVET/article/view/36 (Accessed: 28March2024).