M. NAEEM, M. JAVED, A. I. UMAR, N. H. ARIJO, H. A. WAHAB, and SARFRAZ. “Validation on Maturity Model of Feature Diagrams ”. Sindh University Research Journal - SURJ (Science Series) 49, no. 4 (May 10, 2020). Accessed May 5, 2024. https://sujo.usindh.edu.pk/index.php/SURJ/article/view/1573.