"Wheels and Deals: A First-Year Seminar on Game Shows." MAA Notes: Mathematical Themes in a First-Year Seminar. 2021
"Directed Zagreb Indices." with B. M. Anthony. Graphs and Combinatorial Optimization: from Theory to Applications: CTW2020 Proceedings. Springer International Publishing.2021.
"Note on In-antimagicness and Out-antimagicness of Digraphs.” with S. Arumugam, M. Baca, A. Fenovcikova and K. A. Sugeng. Journal of Discrete Mathematical Sciences & Cryptography. (2020)
"Taking Mathematics Abroad: A How-To Guide.” with F. Futamura. PRIMUS. 28 Issue 9 (2018) 875-889.
"Coprime and Prime Labelings of Graphs.” with A. Berliner, N. Dean, J. Hook, A. Mbirika, C. McBee. J. Integer Seq.19 (2016), no.5, Article 16.5.8, 14 pp.
"In-Magic Total Labelings of Digraphs.” with S. Ochel (’09) and B. Perez (’16). Journal of Graph Labeling. 1 Issue 2 (2015) 82–93.
“Sparse Semi-Magic Squares and Labelings of Directed Graphs.” Electronic Notes in Discrete Mathematics. 48 (2015) 3–10.
"Minimal Pancyclic Graphs.” with J.C. George and W.D. Wallis. Journal of Combinatorial Mathematics and Combinatorial Computing. 86 (2013).
“Some Families of Fixed Points for the Eccentric Digraph Operator.” with R.T. Denman and B. M. Anthony. Journal of Combinatorial Mathematics and Combinatorial Computing. 78 (2011).
“Magic Vertex Labelings of Directed Graphs.” International Journal of Mathematics and Computer Science4, no. 2, (2009).
“Bimagic Labelings.” with N.C.K. Phillips and W.D. Wallis. AKCE International Journal of Graphs and Combinatorics6, no. 1, (2009).
“Magic Directed Graphs.” with Gary Bloom and W.D. Wallis. Journal of Combinatorial Mathematics and Combinatorial Computing65 (2008).
“Graceful Labelings of Directed Graphs.” Journal of Combinatorial Mathematics and Combinatorial Computing66 (2008).
“Closed Neighborhood Anti-Sperner Graphs” with J.P. McSorley, T. D. Porter, and W.D. Wallis. Australasian Journal of Combinatorics38 (2007).
“On Relatively Prime Graphs” with Amy Collins and Arthur M. Hobbs. Congressus Numerantium 164 (2003).
“Cryptography in Forensics.” CCICADA Education Modules. (2015). http://ccicada.org/education/ccicada-education-modules/
Other Publications
"The PCMI Workshop for Mentors: A Weeklong Workshop on Diversity?” with A. R. Alvarez, M. Español, A. Faridani, C. V. Flores, J. McNulty, E. Newman, R. Nugent, A. Seneres, M. Shott, W. Y. Veléz, and E. Walker. Notices of the AMS. May 2018.