©2013 National Research Council of Thailand
Li-Ying และผู้แต่งคนอื่นๆ. 1993. The effect of socio-demographic factors on duration of breastfeeding in Jiangsu, China. Faculty of Graduate studies, Mahidol University;
Li-Ying และผู้แต่งคนอื่นๆ. (1993) The effect of socio-demographic factors on duration of breastfeeding in Jiangsu, China . Mahidol University/Bangkok.
Li-Ying และผู้แต่งคนอื่นๆ. The effect of socio-demographic factors on duration of breastfeeding in Jiangsu, China. . Bangkok:Mahidol University, 1993.
Li-Ying และผู้แต่งคนอื่นๆ. (1993) The effect of socio-demographic factors on duration of breastfeeding in Jiangsu, China . Mahidol University/Bangkok.