APA
Praduman Kumar, . (2002). Economic analysis of total factor productivity of crop sector in the Indo-Gangetic plain of India by district and region. New Delhi: IARI.
Chicago
Praduman Kumar, . 2002. Economic analysis of total factor productivity of crop sector in the Indo-Gangetic plain of India by district and region. New Delhi: IARI.
Harvard
Praduman Kumar, . (2002). Economic analysis of total factor productivity of crop sector in the Indo-Gangetic plain of India by district and region. New Delhi: IARI.
MLA
Praduman Kumar, . Economic analysis of total factor productivity of crop sector in the Indo-Gangetic plain of India by district and region. New Delhi: IARI. 2002.