สิมมา ด. ด. The senator acquisition problem : Comparative Notes to United States of America. Journal of Humanities and Social Sciences Loei Rajabhat University, Loei, v. 5, n. 1, p. 16–29, 2023. Disponível em: https://so01.tci-thaijo.org/index.php/husolru/article/view/263542. Acesso em: 25 jan. 2025.