Title:Negotiation of meaning in outside of the classroom group assignments: accounting for the how to understand the what of future mathematics teachers' learning
Title:Using frontier models to mitigate omitted variable bias in hedonic pricing models : a case study for air quality in Bogotá, Colombia / Usando modelos de frontera para mitigar sesgo de variables omitidas en modelos de precios hedónicos : un estudio de caso para calidad de aire en Bogotá, Colombia