NC, Ehirim; EE, Osuji; AC, Tim-Ashama; UA, Essien; EU, Eze; CN, Praise; UG, Anyanwu. Economic Efficiency of Processed Hibiscus Sabdanriffa (Roselle) Drink in Imo State, Nigeria. World Scientific Research, [S. l.], v. 9, n. 1, p. 20–26, 2022. DOI: 10.20448/wsr.v9i1.3970. Disponível em: https://asianonlinejournals.com/index.php/WSR/article/view/3970. Acesso em: 17 sep. 2025.