Volume & Issue: Volume 6, Issue 1, June 2021, Pages 1-169 
A note on the first Zagreb index and coindex of graphs

Pages 41-51

10.22049/cco.2020.26809.1144

Igor Milovanović; Marjan Matejić; Emina Milovanović; Rana Khoeilar


A survey of the studies on Gallai and anti-Gallai graphs

Pages 93-112

10.22049/cco.2020.26877.1155

Agnes Poovathingal; Joseph Varghese Kureethara; Dinesan Deepthy