Nan Guo, Wenwei Jiang, Jiayi Ouyang, Tianhan Gao and Bin Zhang 2016. Efficient Attributes Proof on CNF Relation for eID System. Research Briefs on Information and Communication Technology Evolution . 2, (Mar. 2016), 105–116. DOI:https://doi.org/10.56801/rebicte.v2i.39.