ANYIKWA, Izunna; HAMMAN, Nicolene; PHIRI, Andrew. The Persistence of Suicides in G20 Countries between 1990 and 2017: an SPSM Approach to Three Generations of Unit Root Tests. Comparative Economic Research. Central and Eastern Europe, [S. l.], v. 24, n. 2, p. 153–173, 2021. DOI: 10.18778/1508-2008.24.17. Disponível em: https://www.czasopisma.uni.lodz.pl/CER/article/view/10004. Acesso em: 9 dec. 2025.