-
51
Land, trees, and women evolution ofland tenure institutions in Western Ghana and Sumatra
Argitaratua 2001Liburua -
52
Nurturing the soil - feeding the people an introduction to sustainable organic agriculture
Argitaratua 2000Liburua -
53
Encouraging environmentalism through the teaching of agroforestry
Argitaratua izan da Quality Teacher (2000)Artikulua -
54
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55
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56
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57
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58
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59
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60


