Koondhar, M. A., Li, H., Joyo, M. A., & Ahsan, F. (2021). Impact of land fragmentation on rice production efficiency, Comparative study of upper and Middle Sindh Province of Pakistan. Global Journal of Business, Economics and Management: Current Issues, 11(3), 235–253. https://doi.org/10.18844/gjbem.v11i3.4694