Mohammed Zidan ,Fatah H. Alhassan , Aisha Al –abbasi , Boubaker Hosoun , Y. Taufiq-Yap (2018) “Electrochemical Detection of ascorbic acid using Fe-Mn-SO4-2-/ZrO2(FMSZ) Modified Glassy Carbon Electrode”, Journal of Pure & Applied Sciences , 17(1). doi: 10.51984/jopas.v17i1.187.