©2013 National Research Council of Thailand
Sa-Nga Boonumrung. 1987. Factors influencing the immunization of children 1-5 years of age a survey in Tumbol Nongrong, Panomtaun district, Kanchanaburi province, Thailand. Faculty of Graduate Studies, Mahidol University;
Sa-Nga Boonumrung. (1987) Factors influencing the immunization of children 1-5 years of age a survey in Tumbol Nongrong, Panomtaun district, Kanchanaburi province, Thailand . Mahidol University/Bangkok.
Sa-Nga Boonumrung. Factors influencing the immunization of children 1-5 years of age a survey in Tumbol Nongrong, Panomtaun district, Kanchanaburi province, Thailand. . Bangkok:Mahidol University, 1987.
Sa-Nga Boonumrung. (1987) Factors influencing the immunization of children 1-5 years of age a survey in Tumbol Nongrong, Panomtaun district, Kanchanaburi province, Thailand . Mahidol University/Bangkok.