SHIGWEDHA, J. N.; VIJAYAKUMAR, K. R.; GNITCHOGNA, R. Stochastic behavior of South African rand exchange rate. International Science and Technology Journal of Namibia, [S. l.], p. 031–048, 2018. Disponível em: https://journals.unam.edu.na/index.php/ISTJN/article/view/1205. Acesso em: 6 may. 2024.