2021. Investigation of Pinning Force Density Fp and Critical Current Density Jc of Nd0.33Eu0.33Gd0.33Ba2Cu3Oy(NEG-123) Superconductors with Addition of 211 Phase Particles and Analysis with a Theoretical Evaluation Based on Flux Creep-Flow Model. The Chittagong University Journal of Science. 42, 1 (Jun. 2021), 24–38. DOI:https://doi.org/10.3329/cujs.v42i1.54236.