O. A. Akpoka and T. E. Obi, “VIABILITY OF LACTOBACILLUS acidophilus AND SYNERESIS OF PROBIOTIC YOGHURT PRODUCED FROM RECONSTITUTED SKIM AND WHOLE MILK POWDER DURING 35 DAYS REFRIGERATED STORAGE AT 4±2 oC”, BE, vol. 2, no. 2, pp. 54–57, Jun. 2019.