EMUH, FN; OFUOKU, AU. Productivity Of Honeybees In Oil Palm Integrated System In Niger- Delta Of Nigeria. Journal of Agriculture and Environment, [S. l.], v. 12, p. 38–40, 2013. DOI: 10.3126/aej.v12i0.7561. Disponível em: https://www.nepjol.info/index.php/AEJ/article/view/7561. Acesso em: 5 dec. 2025.