PHD/8 Adhikary, Sudipta Changing role of trade unions towards organizational developmentt : a socio legal approach with special reference to Kolkata and Howrah / Sudipta Adhikary. – Kolkata : Brainware University, 2022 xviii, 253p Rs. . Trade Unions . India, Kolkata, Howrah . Banerjee, Kaushik , Supervisor |