@inproceedings{MoDELS-2018-PouraliA,
	author        = "Parsa Pourali and Joanne M. Atlee",
	booktitle     = "{Proceedings of the 21th International Conference on Model Driven Engineering Languages and Systems}",
	doi           = "10.1145/3239372.3239400",
	pages         = "224--234",
	publisher     = "{ACM}",
	title         = "{An Empirical Investigation to Understand the Difficulties and Challenges of Software Modellers When Using Modelling Tools}",
	year          = 2018,
}