Tippan Navawongs,Tippan Navawongs..[et.al]. [19--]. Diarrheal diseases in four areas in Thailand : a comparative study of morbidity, risk factors and help seeking behaviors. Nakornpathom:Mahidol University;
Tippan Navawongs,Tippan Navawongs..[et.al]. ([19--]) Diarrheal diseases in four areas in Thailand : a comparative study of morbidity, risk factors and help seeking behaviors (รายงานผลงานวิจัย). Mahidol University:Nakornpathom.
Tippan Navawongs,Tippan Navawongs..[et.al]. Diarrheal diseases in four areas in Thailand : a comparative study of morbidity, risk factors and help seeking behaviors. Nakornpathom:Mahidol University, [19--].
Tippan Navawongs,Tippan Navawongs..[et.al]. ([19--]) Diarrheal diseases in four areas in Thailand : a comparative study of morbidity, risk factors and help seeking behaviors (รายงานผลงานวิจัย). Mahidol University:Nakornpathom.