Le Thanh และ Tai. (1997) A survey on Basic Minimum Needs (BMN) of rural and urban Vietnamese in Cantho city - Vietnam. Mahidol University,:ม.ป.ท.Le Thanh และ Tai. 1997. A survey on Basic Minimum Needs (BMN) of rural and urban Vietnamese in Cantho city - Vietnam. ม.ป.ท.:Mahidol University,;Le Thanh และ Tai. A survey on Basic Minimum Needs (BMN) of rural and urban Vietnamese in Cantho city - Vietnam. ม.ป.ท.:Mahidol University, 1997. Print.