Singh, B. (2017). Objective agronomy: For SAU's entrance, JRF, SRF, ARS, ICAR NET, Ph.D Civil servicces and other comperirive examination. New India Publishing Agency.
শিকাগো স্টাইলে সাইটেশনSingh, BB. Objective Agronomy: For SAU's Entrance, JRF, SRF, ARS, ICAR NET, Ph.D Civil Servicces and Other Comperirive Examination. New Delhi: New India Publishing Agency, 2017.
এমএলএ সাইটেশনSingh, BB. Objective Agronomy: For SAU's Entrance, JRF, SRF, ARS, ICAR NET, Ph.D Civil Servicces and Other Comperirive Examination. New India Publishing Agency, 2017.
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