The Price Dynamics of Hand Sanitizers for COVID-19 in Indonesia: Exponential and Cobweb Forms. Indonesian Journal of Science and Technology, [S. l.], v. 5, n. 2, p. 176–184, 2020. Disponível em: https://ijost.upi.edu/index.php/ijost/article/view/236. Acesso em: 7 jun. 2026.