APA-viite (7. p.)
Ray, S. (1992). Technological development of agriculture in West Bengal since independence. Firma KLM.
Chicago-viite (17. p.)
Ray, Siddheswar. Technological Development of Agriculture in West Bengal Since Independence. Calcutta: Firma KLM, 1992.
MLA-viite (9. p.)
Ray, Siddheswar. Technological Development of Agriculture in West Bengal Since Independence. Firma KLM, 1992.
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