Chularat Howharn. 2008. Effects of childbirth preparation classes on self-efficacy in coping with labon pain in Thai primiparas. , Chiang Mai University;
Chularat Howharn. (2008) Effects of childbirth preparation classes on self-efficacy in coping with labon pain in Thai primiparas . Chiang Mai University/Chiang Mai.
Chularat Howharn. Effects of childbirth preparation classes on self-efficacy in coping with labon pain in Thai primiparas. . Chiang Mai:Chiang Mai University, 2008.
Chularat Howharn. (2008) Effects of childbirth preparation classes on self-efficacy in coping with labon pain in Thai primiparas . Chiang Mai University/Chiang Mai.