An Algebraic Study of BIB Designs: a Complete Solution for v = 6 and k = 3. - A. Sadam Hedayat; Gholamreza B. Khosrovshahi (J. Comb. Theory A, 1981)

A Prospect for a General Method of Constructing t-Designs. - A. Sadam Hedayat; Gholamreza B. Khosrovshahi; Dibyen Majumdar (Discret. Appl. Math., 1993)

Efficient crossover designs for comparing test treatments with a control treatment. - A. Sadam Hedayat; Min Yang (Discret. Math., 2006)