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Serey และผู้แต่งคนอื่นๆ. 1994. A focus group study of health education model on primary health care in Surin province, Thailand. Faculty of Graduate Studies, Mahidol University;
Serey และผู้แต่งคนอื่นๆ. (1994) A focus group study of health education model on primary health care in Surin province, Thailand . Mahidol University/Bangkok.
Serey และผู้แต่งคนอื่นๆ. A focus group study of health education model on primary health care in Surin province, Thailand. . Bangkok:Mahidol University, 1994.
Serey และผู้แต่งคนอื่นๆ. (1994) A focus group study of health education model on primary health care in Surin province, Thailand . Mahidol University/Bangkok.