Safe: A simple approach for feature extraction from app descriptions and app reviews Johann, Timo Stanik, Christoph M. Alizadeh B., Alireza Maalej, Walid 2017 - Forschungsinformationssystem der UHH
The social dimension of sustainability in requirements engineering Johann, Timo Maalej, Walid 2013 - Forschungsinformationssystem der UHH