51to 55 of 55
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Paysans du fleuve video - 1987 - 26 mn |
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Sahel : histoire d'une désertification educational material - 1985 - 90 pp Ed. SCEREN - Montrouge |
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Le problème de l'eau au Burkina Faso Solutions envisageables slide show powerpoint , audio Ed. CLID - Nancy |
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Discovering Drought book - 16 pp Ed. WET - Bozeman |
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Lesson Plans on Water for Grade R to Grade 10 educational material Ed. WRC - Pretoria |
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51 to 55 of 55