Victorbabu, B. R. and Surekha, C. V. (2015) “Measure of rotatability for second order response surface designs using a pair of partially balanced incomplete block designs”, Thailand Statistician, 12(2), pp. 179–189. Available at: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/34197 (Accessed: 8 May 2024).