Bala, J., F. Kuta, N. Adabara, A. Adedeji, U. Oyedum, and G. Murtala. “Microbiological Quality Assessment of Raw Salad Vegetable Sold in Minna Metropolis, Nigeria”. Journal of Bio-Science, vol. 25, July 2018, pp. 1-7, doi:10.3329/jbs.v25i0.37491.