Competitiveness and Policy Analysis of Potato Production in Different Agro-ecological Zones of Northern Areas: Implications for Food Security and Poverty Alleviation. pdr [Internet]. 2022 Dec. 24 [cited 2025 Jun. 9];45(4II):pp.1137-1154. Available from: https://thepdr.pk/index.php/pdr/article/view/2152