Rajyalakshmi, K. and Victorbabu, B. R. (2018) “Construction of Second Order Slope Rotatable Designs under Tri-Diagonal Correlated Structure of Errors Using Balanced Incomplete Block Designs”, Thailand Statistician, 17(1), pp. 104–117. available at: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/163220 (accessed: 17 September 2026).