On genus imbeddings of the tensor product of graphs. - Ghidewon Abay-Asmerom (J. Graph Theory, 1996)

Imbeddings of the tensor product of graphs where the second factor is a complete graph. - Ghidewon Abay-Asmerom (Discret. Math., 1998)

Centers of Tensor Products of Graphs. - Ghidewon Abay-Asmerom; Richard H. Hammack (Ars Comb., 2005)

Total Perfect Codes in Tensor Products of Graphs. - Ghidewon Abay-Asmerom; Richard H. Hammack; Dewey T. Taylor (Ars Comb., 2008)

Factorial properties of graphs. - Ghidewon Abay-Asmerom; Richard H. Hammack; Dewey T. Taylor (Australas. J Comb., 2009)

Direct Product Factorization of Bipartite Graphs with Bipartition-reversing Involutions. - Ghidewon Abay-Asmerom; Richard H. Hammack; Craig E. Larson; Dewey T. Taylor (SIAM J. Discret. Math., 2010)

Notes on the independence number in the Cartesian product of graphs. - Ghidewon Abay-Asmerom; Richard H. Hammack; Craig E. Larson; Dewey T. Taylor (Discuss. Math. Graph Theory, 2011)