Rifai, A., 		Praptiwi, A., 		Sulistiyono, D., & 		Wulandari, T.
2023 Feb 25.  TECHNIQUES OF PURIFICATION of ANTIGEN O ISOLATES of Escherichia coli AND IN VIVO ANALYSIS OF ANTIGEN IMMUNOGENICITY IN POULTRY. BIOEDUKASI. [Online] 21:1