Carlos A Castañeda-OrjuelaDiego PastorWerner ValdésStephen ReschCristiana M. ToscanoFernando de la Hoz2026-03-222026-03-22201210.1016/j.jval.2012.03.869https://doi.org/10.1016/j.jval.2012.03.869https://andeanlibrary.org/handle/123456789/62314enActivity-based costingChristian ministryImmunization programImmunizationCost estimateBusinessTotal costOperations managementVaccinationOperations researchPRM12 Comparison of Two Approaches to Costing National Immunization Programs: Central Level Budgeting Versus Detailing Costing Exercises Using a Novel Provac EPI Costing Tool in Boliviaarticle