A Study on Resource use Efficiency of Agricultural Input Factors with Reference to Farm Size in Three Revenue Mandals of Nellore District : Andhra Pradesh. Global Journal of Management and Business Research, [S. l.], v. 14, n. 30, p. 13–21, 2014. Disponível em: https://journalofbusiness.org/index.php/GJMBR/article/view/. Acesso em: 18 oct. 2026.