Brief reviews of the work done by the previous investigators in rotatable designs are presented in this Book. A unified method of constructing second-order rotatable designs (SORD) using two suitable chosen partially balanced incomplete block (PBIB) designs along with its analyses. An approach has also been made for the comparative study of various types of SORDs on the basis of certain criteria and different types of SORDs are compared. Это и многое другое вы найдете в книге Second-Order Rotatable Design – A New Approach (Kanchan Chowdhury)