Prediction of mass and radii of anisotropic polytropic compact objects with Buchdahl-I metric S. A. Mardan, A. Zahra, Muhammad Bilal Riaz, Rubab Manzoor and Adnan Malik Eur. Phys. J. C, 85 2 (2025) 140 Published online: 04 February 2025 DOI: 10.1140/epjc/s10052-025-13871-1