A Regression Model of Public Interest in COVID-19 Vaccination Ahead of MotoGP. Jurnal Varian, [S. l.], v. 7, n. 2, p. 157–170, 2024. DOI: 10.30812/varian.v7i2.3130. Disponível em: https://journal.universitasbumigora.ac.id/Varian/article/view/3130. Acesso em: 24 sep. 2025.