Eneji, C., Ikpeme, C., & Ubua, J. (2007). Effect of Refrigeration and Frozen Storage on the Shelf-life of Beef Purchased from Local Markets and Abattoir in Calabar Metropolis-Nigeria. Pakistan Journal of Nutrition, 6(6), 576–581. https://doi.org/10.3923/pjn.2007.576.581