S. Mukherjee, “A Circular Pythagorean Fuzzy Credibility Graph (CPyF-CG) Based TOPSIS Approach for MADM and its Application in Renewable Energy”, J. Contemp. Decis. Sci., vol. 3, no. 1, pp. 1–20, Oct. 2026, doi: 10.67334/cds31202644.