Bilaketaren emaitzak - "Case study"
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21
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22
A viable alternative energy for rural Nepalese villages a case study of Gobar gas
Argitaratua 1986Liburua -
23
Case studies of community-base health insurance schcemes in the Philippines.
Argitaratua 2004Liburua -
24
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25
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26
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27
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28
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29
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30


