SEBAYANG, A. A. BR; ANTONIUS, E.; PRAVITAMA, E. V.; IRIANTO, J.; WIDIJANTO, S.; SYAMSUDDIN, M. Defining Causality in Covid-19 and Google Search Trends in Java, Indonesia Cases: A Retrospective Analysis. Communication in Biomathematical Sciences, v. 4, n. 2, p. 81-92, 31 Dec. 2021.