Suda Sombatyotha. 1996. An epidemiological study of traffic accident among motorcyclists who sought care at Mahasarakham hospital. Faculty of Graduate Studies, Mahidol University;
Suda Sombatyotha. (1996) An epidemiological study of traffic accident among motorcyclists who sought care at Mahasarakham hospital . Mahidol University/Bangkok.
Suda Sombatyotha. An epidemiological study of traffic accident among motorcyclists who sought care at Mahasarakham hospital. . Bangkok:Mahidol University, 1996.
Suda Sombatyotha. (1996) An epidemiological study of traffic accident among motorcyclists who sought care at Mahasarakham hospital . Mahidol University/Bangkok.