Khamsing Vongkhamdy. (1999) Knowledge and attitude on the immunization preventable diseases of mothers with children 6-24 months old and completeness of their children's immunization in Pakse district, Champasack province, Lao PDR. Mahidol University,:ม.ป.ท.Khamsing Vongkhamdy. 1999. Knowledge and attitude on the immunization preventable diseases of mothers with children 6-24 months old and completeness of their children's immunization in Pakse district, Champasack province, Lao PDR. ม.ป.ท.:Mahidol University,;Khamsing Vongkhamdy. Knowledge and attitude on the immunization preventable diseases of mothers with children 6-24 months old and completeness of their children's immunization in Pakse district, Champasack province, Lao PDR. ม.ป.ท.:Mahidol University, 1999. Print.