K. Nirmal Ravi Kumar. (2023). Objective Agricultural Economics . Daya Publishing , New Delhi.
Lua i Stíl Chicago (17ú heag.)K. Nirmal Ravi Kumar. Objective Agricultural Economics . Daya Publishing , New Delhi, 2023.
Lua MLA (9ú heag.)K. Nirmal Ravi Kumar. Objective Agricultural Economics . Daya Publishing , New Delhi, 2023.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.