SHIPRA BANIK, B.M. GOLAM KIBRIA, Shipra Banik, B.M. Golam Kibria. On Some Parametric Confidence Intervals for the Mean Difference of Two Populations. Independent Business Review, Dhaka, Bangladesh, v. 5, n. 1, 2026. DOI: 10.67508/iub.ibr.v5n1.002. Disponível em: https://ibr.iub.edu.bd/Journals/article/view/78. Acesso em: 6 sep. 2026.