WANG, Yue; LI, Xinrui; ZHAO, Yueshu. Measuring Income Group Heterogeneous Treatment Effect of Trade Openness on Unemployment Rate at Country-Year Level. Journal of Knowledge Learning and Science Technology ISSN: 2959-6386 (online), [S. l.], v. 2, n. 3, p. 366–380, 2024. DOI: 10.60087/jklst.vol2.n3.p380. Disponível em: http://jklst.org/index.php/home/article/view/124.. Acesso em: 29 sep. 2025.