@article{192,
  author = {Rakan Alanazi and Gharib Gharibi and Yugyung Lee},
  title = {Facilitating program comprehension with call graph multilevel hierarchical abstractions},
  year = {2021},
  journal = {Journal of Systems and Software},
  volume = {176},
  month = {06},
  issn = {0164-1212},
  url = {https://par.nsf.gov/biblio/10312564},
  doi = {10.1016/j.jss.2021.110945},
}