@incollection{Ngoumou12, author = {Marcel Fouda Ndjodo and Amougou Ngoumou}, title = {Transformational Variability Modeling Approach to Configurable Business System Application}, booktitle = {Software Product Line}, publisher = {IntechOpen}, address = {Rijeka}, year = {2012}, editor = {Abdelrahman Osman Elfaki}, chapter = {3}, doi = {10.5772/37776}, url = {https://doi.org/10.5772/37776} }