Akbar Davoodi, Ramin Javadi and Behnaz Omoomi, Pairwise balanced designs and sigma clique partitions, Discrete Mathematics, 339(5):1450–1458, 2016.
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Akbar Davoodi, Ramin Javadi and Behnaz Omoomi, Pairwise balanced designs and sigma clique partitions, Discrete Mathematics, 339(5):1450–1458, 2016.