Shiu, W. C.; Kwong, H. Product-cordial index and friendly index of regular graphs. (English) Zbl 1293.05342 Trans. Comb. 1, No. 1, 15-20 (2012). MSC: 05C78 05C25 PDF BibTeX XML Cite \textit{W. C. Shiu} and \textit{H. Kwong}, Trans. Comb. 1, No. 1, 15--20 (2012; Zbl 1293.05342)
Shiu, W. C.; Kwong, Harris An algebraic approach for finding balance index sets. (English) Zbl 1207.05173 Australas. J. Comb. 45, 139-155 (2009). MSC: 05C78 PDF BibTeX XML Cite \textit{W. C. Shiu} and \textit{H. Kwong}, Australas. J. Comb. 45, 139--155 (2009; Zbl 1207.05173)
Shiu, Wai Chee; Kwong, Harris Full friendly index sets of \(P_2 \times P_n\). (English) Zbl 1179.05098 Discrete Math. 308, No. 16, 3688-3693 (2008). MSC: 05C78 05C76 PDF BibTeX XML Cite \textit{W. C. Shiu} and \textit{H. Kwong}, Discrete Math. 308, No. 16, 3688--3693 (2008; Zbl 1179.05098) Full Text: DOI