YAVAS, M. .; GURAN, A.; EKINCI, Y. Analysis of Public Agenda during Covid-19 Pandemics Based on Turkish and English Tweets Using Nonnegative Matrix Factorization and Hypothesis Testing. Elektronika ir Elektrotechnika, [S. l.], v. 28, n. 4, p. 65-73, 2022. DOI: 10.5755/j02.eie.31196. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/31196. Acesso em: 3 oct. 2022.