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 (Jul. 2018). DOI:https://doi.org/10.51984/jopas.v17i1.187.