DURGA Nand Jha. (1974). Planning and agricultural development: A study with reference to Bihar. Sultan Chand.
Cita Chicago (17th ed.)DURGA Nand Jha. Planning and Agricultural Development: A Study with Reference to Bihar. Delhi: Sultan Chand, 1974.
Cita MLA (9th ed.)DURGA Nand Jha. Planning and Agricultural Development: A Study with Reference to Bihar. Sultan Chand, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.