[ j1] [published] Julien Bensmail, Tapas Das, Dimitri Lajou, Soumen Nandi, Sagnik Sen: On the pushable chromatic number of various types of grids. Discrete Applied Mathematics 329 (2023) 140–154
[ j2] [published] Tapas Das and Sagnik Sen: Pushable chromatic number of graphs with maximum average degree at most 14/5. Discrete Applied Mathematics 334 (2023) 163–171
[ j3] [published] Tapas Das, Tuomo Lehtilä , Soumen Nandi, Sagnik Sen, D.K. Supraja : On radio k-labeling of the power of the infinite path. Information Processing Letters 182 (2023) 106386