@TECHREPORT{Pin_Ana_2012, author = "Pineda Ortiz, Manuel Andres - Alonso Gutierrez, Diego Mauricio", title = "Analisis comparativo entre los modelos ARIMA y ARCH para el pronostico del indice IGBC", year = 2012, institution = "Universidad Colegio Mayor De Cundinamarca", url = "https://repositorio.unicolmayor.edu.co/handle/unicolmayor/981", }