C. Jayasekaran, S. Delbin Prema and S.V. Ashwin Prakash 2020. Relations on irredundance and domination number for six regular graph with girth 3. Malaya Journal of Matematik. 8, 03 (Jul. 2020), 856–861. DOI:https://doi.org/10.26637/MJM0803/0021.