“Planning With Semi-Input-Output Method With Empirical Application to Nigeria. By Arie Kuyvenhoven. Leiden: Martinus Nijhoff Social Sciences Division. 1978. Xi + 266 Pp”. The Pakistan Development Review 19, no. 3 (December 22, 2022): pp.247–249. Accessed June 7, 2025. https://thepdr.pk/index.php/pdr/article/view/550.