On Estimation of P(Y_1. Iraqi Journal of Science, [S. l.], v. 61, n. 4, p. 845–853, 2020. DOI: 10.24996/ijs.2020.61.4.18. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/1490.. Acesso em: 19 dec. 2024.