Measuring Production Function and Technical Efficiency of Onion, Tomato, and Chillies Farms in Sindh, Pakistan. The Pakistan Development Review, [S. l.], v. 46, n. 4II, p. pp.1053–1064, 2007. DOI: 10.30541/v46i4IIpp.1053-1064. Disponível em: https://www.thepdr.pk/index.php/pdr/article/view/2237. Acesso em: 6 dec. 2025.