A GENERALIZED CLASS OF JACK-KNIFED ESTIMATOR FORPRODUCT OF POPULATION MEANS USING TWO AUXILIARYVARIABLES UNDER MEASUREMENT ERRORS. INTERNATIONAL JOURNAL OF APPLIED SCIENCE & TECHNOLOGY, [S. l.], v. 5, n. 2, 2019. Disponível em: http://ijast.in/index.php/ijast/article/view/67. Acesso em: 11 jan. 2026.