Sen, S. (1977). Working Class of Idia: History of emergence and movement. K.P. Bagchi.
Chicago-čujuhus (17. p.)Sen, Sukomal. Working Class of Idia: History of Emergence and Movement. CALCUTTA: K.P. Bagchi, 1977.
MLA-čujuhus (9. p.)Sen, Sukomal. Working Class of Idia: History of Emergence and Movement. K.P. Bagchi, 1977.
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