Investment, Hysteresis, and Layers of Techniques: A Case Study of Agricultural Manufacturing Machinery in Multan Division. The Pakistan Development Review, [S. l.], v. 38, n. 4II, p. pp.1117–1132, 1999. DOI: 10.30541/v38i4IIpp.1117-1132. Disponível em: https://thepdr.pk/index.php/pdr/article/view/1668. Acesso em: 26 oct. 2025.