Introducing Low-Cost Sensors into the Classroom Settings: Improving the Assessment in Agile Practices with Multimodal Learning Analytics. - Hector Cornide-Reyes; René Noël; Fabián Riquelme; Matías Gajardo; Cristian Cechinel; Roberto Mac Lean; Carlos Becerra; Rodolfo Villarroel; Roberto Muñoz 001 (Sensors, 2019)