The following publications are possibly variants of this publication:
- Complete forcing numbers of graphsXin He, Heping Zhang. arsmc, 23(2), November 2022. [doi]
- Hexagonal systems with forcing edgesFuji Zhang, Xueliang Li. DM, 140(1-3):253-263, 1995. [doi]
- Complete forcing numbers of primitive coronoidsShou-Jun Xu, Xiu-Song Liu, Wai Hong Chan, Heping Zhang. jco, 32(1):318-330, 2016. [doi]
- On the global forcing number of hexagonal systemsHeping Zhang, Jinzhuan Cai. DAM, 162:334-347, 2014. [doi]