Volume & Issue: Volume 8, Issue 3, September 2023, Pages 445-601 
On the Total Monophonic Number of a Graph

Pages 483-489

10.22049/cco.2022.27731.1331

Subramanian Arumugam; Santhakumaran A.P.; Titus P.; Ganesamoorthy K.; Murugan M.


An upper bound on triple Roman domination

Pages 505-511

10.22049/cco.2022.27816.1359

M. Hajjari; Hossein Abdollahzadeh Ahangar; Rana Khoeilar; Zehui Shao; S.M. Sheikholeslami


On Sombor coindex of graphs

Pages 513-529

10.22049/cco.2022.27751.1343

Chinglensana Phanjoubam; Sainkupar Marwein Mawiong; Ardeline M Buhphang


Total restrained Roman domination

Pages 575-587

10.22049/cco.2022.27628.1303

Jafar Amjadi; Babak Samadi; Lutz Volkmann