Arunachalam, Rajarathinam. 2025. “Proposing a New Method for the Construction of Optimal Pairwise Balanced Block Designs Based on 3\(^n\) Symmetrical Factorial Design”. Mathematics and Computer Science: Research Updates Vol. 3, February, 90-99. https://doi.org/10.9734/bpi/mcsru/v3/4358.