Yacobson, E., O. Fuhrman, S. Hershkovitz, and G. Alexandron. “De-Identification Is Insufficient to Protect Student Privacy, or – What Can a Field Trip Reveal?”. Journal of Learning Analytics, vol. 8, no. 2, Sept. 2021, pp. 83-92, doi:10.18608/jla.2021.7353.