@misc{proper2019teachem,
   author = {Proper, Henderik A.},
   howpublished = {Presented at the workshop on Teaching and Learning Conceptual Modelling ({TLCM} 2019), {November} 27, 2019, {Luxembourg}, {Luxembourg}},
   month = {November},
   title = {Towards Key Principles for Teaching Enterprise Modelling},
   year = {2019},
}