Kowalewska, Agata, and Tomasz Gajda. “Comparison of Field Methods for Evaluating Subgrade Bearing Capacity Based on the CBR Index: Analysis of Test Results Obtained Using the Panda Penetrometer and the Dynamic Cone Penetrometer”. Roads and Bridges – Drogi i Mosty 24, no. 4 (December 22, 2025): 591–596. Accessed December 24, 2025. https://rabdim.pl/index.php/rb/article/view/v24n4p591.