Tayyab M, Ahmad A. An Application of Contingent Valuation Method for Reduction in Risk of Premature Mortality due to Air Pollution: A Case Study of Gujranwala, Pakistan. EER [Internet]. 2023 Dec. 30 [cited 2026 Jun. 15];6(2):92-114. Available from: https://ojs.umt.edu.pk/index.php/eer/article/view/1559