?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Nguyen%2C+Thi+Hanh&rft.aulast=Nguyen&rft.aufirst=Thi+Hanh&rft.date=2018&rft.title=An+Approach+for+Testing+Model+Transformations&rft.genre=proceeding