?url_ver=Z39.88-2004&rft_id=10.31449%2Finf.v42i3.2253&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Chu%2C+Minh+Hue&rft.aulast=Chu&rft.aufirst=Minh+Hue&rft.issue=3&rft.volume=42&rft.date=2018&rft.issn=0350-5596&rft.atitle=USL%3A+A+Domain-Specific+Language+for+Precise+Specification+of+Use+Cases+and+Its+Transformations&rft.title=Informatica+-+Journal+of+Computing+and+Informatics&rft.pages=325-343&rft.genre=article