Biniaz, Ahmad. “Better Approximation Algorithms for Maximum Weight Internal Spanning Trees in Cubic Graphs and Claw-Free Graphs”. Journal of Graph Algorithms and Applications 26, no. 2 (June 1, 2022): 209–224. Accessed May 12, 2025. https://jgaa-v4.cs.brown.edu/index.php/jgaa/article/view/paper590.