005530000a22001450004500003000900000005001700009100004500026245010200071020001800173264004600191300000900237041000800246650007700254650007600331PH-MaWHO20241108112253.0  aSchwartz, J Brad ; Loevinsohn, Benjamin.  aSustaining effective social programs : financing immunization in Cambodia, Lao PDR, and Viet Nam.  a971-561-214-8  aManila : bAsian Development Bank,c1999.  a48p.  aeng  aImmunizationxEconomicsxCambodia, Laos, VietnamzCambodia, Laos, Vietnam  aVaccinationxEconomicsxCambodia, Laos, VietnamzCambodia, Laos, Vietnam