Gomez IV และผู้แต่งคนอื่นๆ. 1991. The association between motivation and performance of volunteer health workers in Khlong-Khlung district, Kamphaengpet province, Thailand. Faculty of Graduate Studies, Mahidol University;
Gomez IV และผู้แต่งคนอื่นๆ. (1991) The association between motivation and performance of volunteer health workers in Khlong-Khlung district, Kamphaengpet province, Thailand . Mahidol University/Bangkok.
Gomez IV และผู้แต่งคนอื่นๆ. The association between motivation and performance of volunteer health workers in Khlong-Khlung district, Kamphaengpet province, Thailand. . Bangkok:Mahidol University, 1991.
Gomez IV และผู้แต่งคนอื่นๆ. (1991) The association between motivation and performance of volunteer health workers in Khlong-Khlung district, Kamphaengpet province, Thailand . Mahidol University/Bangkok.