Não informado. (1983). Outlook. Program for Appropriate Technology in Health.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Outlook. Seattle, Wash: Program for Appropriate Technology in Health, 1983.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Outlook. Program for Appropriate Technology in Health, 1983.
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