UBANI, S. C.; GLORIA, O. C.; OKPASHI, V. E.; OMEJE, O. K.; CHIGODIRI, O. A.; NE, O. I. Effect of pharmaceutical effluent on soil phosphatase, dehydrogenase and urease activities: linking ecotoxicity to soil infertility. Journal of Research in Biology, v. 9, n. 1, p. 2636-2643, 11 Feb. 2019.