On the intersection power graph of a finite group. - Sudip Bera (Electron. J. Graph Theory Appl., 2018)

Combinatorial proofs of the Newton-Girard and Chapman-Costas-Santos identities. - Sajal Kumar Mukherjee; Sudip Bera (Discret. Math., 2019)

Generalized Power Sum and Newton-Girard Identities. - Sudip Bera; Sajal Kumar Mukherjee (Graphs Comb., 2020)

On the Connectivity of Enhanced Power Graphs of Finite Groups. - Sudip Bera; Hiranya Kishore Dey; Sajal Kumar Mukherjee (Graphs Comb., 2021)

A Matrix for Counting Paths in Acyclic Colored Digraphs. - Sudip Bera (Graphs Comb., 2024)

On the domination number of proper power graphs of finite groups. - Sudip Bera; Hiranya Kishore Dey; Kamal Lochan Patra; Binod Kumar Sahoo (Discret. Math., 2025)