Savannary และ Vanmaly. (1997) <The> effects of woman's education on fertility in Lao PDR. Mahidol University,:ม.ป.ท.Savannary และ Vanmaly. 1997. <The> effects of woman's education on fertility in Lao PDR. ม.ป.ท.:Mahidol University,;Savannary และ Vanmaly. <The> effects of woman's education on fertility in Lao PDR. ม.ป.ท.:Mahidol University, 1997. Print.