On oriented relative clique number. - Sandip Das 001; Swathyprabhu Mj; Sagnik Sen 001 (Electron. Notes Discret. Math., 2015)

Relative Clique Number of Planar Signed Graphs. - Sandip Das 001; Prantar Ghosh; Swathyprabhu Mj; Sagnik Sen 001 (CALDAM, 2016)