Castro, Dr. Joana D'arc Bardella, and Dr. Ronaldo do Nascimento Carvalho. “Contingent Valuation Method in a Pandemic Period: Diagnosis for the Search of New Directions”. International Journal of Advanced Engineering Research and Science 9, no. 7 (July 26, 2022). Accessed July 3, 2024. https://journal-repository.com/index.php/ijaers/article/view/5226.