Yesterday afternoon the fearless, witty, hyper-smart Constateyn Roelofs taught. You know him from GeenStijl (in the past) and currently works at Sijthoff and Elsevier! Thanks, Constanteyn!
Yesterday afternoon the fearless, witty, hyper-smart Constateyn Roelofs taught. You know him from GeenStijl (in the past) and currently works at Sijthoff and Elsevier! Thanks, Constanteyn!
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