Shyam Bihari Tiwari, Abhijeet Pandey, Ashwini Mathur, Asha Kamath. Selection of Comparable Subjects from Different Treatment Groups When Randomization is Not Feasible. A Canadian journal of applied mathematics, computer science and statistics [Internet]. 2025 Aug. 20 [cited 2026 Apr. 16];122(2):54-91. Available from: https://utilitasmathematica.com/index.php/Index/article/view/2673