Jonathan O Okonkwo

Determination of DDT and Metabolites in Surface Water and Sediment Using LLE, SPE, ACE and SE

Caliphs Zvinowanda, C. Zvinowanda, Linda L Sibali, 2009, Bulletin of environmental contamination and toxicology.

Recent approaches to improving selectivity and sensitivity of enzyme-based biosensors for organophosphorus pesticides: A review.

E. Songa, Jonathan O Okonkwo, J. Okonkwo, 2016, Talanta.

Polybrominated diphenyl ethers (PBDEs) in leachates from selected landfill sites in South Africa.

Jonathan O Okonkwo, J. Okonkwo, David O Odusanya, 2009, Waste management.