EWERE, F.; MBEGBU, J. I.; E. J., Okon. The Stochastic nonlinear optimal allocations with Weibull cost function when non-response is observed. Journal of the CISON, Abuja, NG, v. 36, n. 1, p. 1–27, 2024. DOI: 10.63255/01-0127.24/05. Disponível em: https://journal.cison.org.ng/index.php/jotc/article/view/1. Acesso em: 30 dec. 2025.