1Faculty of Computer Science;
Universitas Indonesia;
Depok;
Indonesia;
2Departement of Computer Science;
Universitas Sumatra Utara;
Medan;
Indonesia.;
Comparison; and; Mapping; FODA; Cardinality-based; Feature; Model; Orthogonal; Variability; Language; Common; Variability; Language; Feature; Model; R3ST; Software;