Panchit Promachot. 1993. Study on bacterial contamination and associated factors of bottle milk in infants under six months. Faculty of Graduate Studies, Mahidol University;

Panchit Promachot. Study on bacterial contamination and associated factors of bottle milk in infants under six months. . Bangkok:Mahidol University, 1993.

Panchit Promachot. (1993) Study on bacterial contamination and associated factors of bottle milk in infants under six months . Mahidol University/Bangkok.