(1981). Health programme evaluation: Guiding principles for its application in the managerial process for national health development. World Health Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)Health Programme Evaluation: Guiding Principles for Its Application in the Managerial Process for National Health Development. Geneva: World Health Organization, 1981.
Παραπομπή σε μορφή MLA (8th εκδ.)Health Programme Evaluation: Guiding Principles for Its Application in the Managerial Process for National Health Development. World Health Organization, 1981.
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