BURAKAUSKAITĖ, Ieva; ČIGINAS, Andrius. On using a non-probability sample for the estimation of population parameters. Lietuvos matematikos rinkinys, [S. l.], v. 64, n. A, p. 1–11, 2023. DOI: 10.15388/LMR.2003.33587. Disponível em: https://www.journals.vu.lt/LMR/article/view/33587.. Acesso em: 12 may. 2024.