Varghese, Eldho, Kumar, Jitendra, Jaggi, Seema, Varghese, Cini, and Bhowmik, Arpan. “A Note on Constructing Small Rotatable Designs under First Order Response Surface Interference Model”. Utilitas Mathematica, vol. 117, Sept. 2022, https://utilitasmathematica.com/index.php/Index/article/view/1466.