On Signed Domination of Grid Graph
Mohammad Hassan, Muhsin Al Hassan, Mazen Mostafa

Open J. Discrete Math. Vol.10 No.4, October 27, 2020
DOI:10.4236/ojdm.2020.104010

Full-Rank Factoring of Elementary 2-Groups with Equal Size Factors
Sándor Szabó

Open J. Discrete Math. Vol.10 No.4, September 16, 2020
DOI:10.4236/ojdm.2020.104009