Rajarathinam Arunachalam. Proposing a New Method for the Construction of Optimal Pairwise Balanced Block Designs Based on 3\(^n\) Symmetrical Factorial Design. MCSRU-V3 [Internet]. 2025 Feb. 21 [cited 2026 Jun. 13];:90-9. Available from: https://stm.bookpi.org/MCSRU-V3/article/view/17431