Kevin Gonyop Kim Catharine Oertel Pierre Dillenbourg BloomGraph: Graph-Based Exploration of Bouquet Designs for Florist Apprentices. 727-731 2019 EC-TEL https://doi.org/10.1007/978-3-030-29736-7_76 conf/ectel/2019 db/conf/ectel/ectel2019.html#KimOD19