2015TCVN 4884-1-2015 Microbiology of the food chain - Horizontal method for the enumeration of microorganisms .Part 1: Colony count at 30 degrees C by the pour plate technique
2008TCVN 4884-2005 Microbiology of food and animal feeding stuffs.Horizontal method for the enumeration of microorganisms.Colony count technique at 30 oC