Werner, D. B., & Bower, B. (1982). Helping health workers learn: A book of methods, aids, and ideas for instructors at the village level. The Hesperian Foundation.
Παραπομπή σε μορφή Chicago (17η εκδ.)Werner, David B., και Bill Bower. Helping Health Workers Learn: A Book of Methods, Aids, and Ideas for Instructors at the Village Level. Palo Alto: The Hesperian Foundation, 1982.
Παραπομπή σε μορφή MLA (8th εκδ.)Werner, David B., και Bill Bower. Helping Health Workers Learn: A Book of Methods, Aids, and Ideas for Instructors at the Village Level. The Hesperian Foundation, 1982.
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