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AIU Alumni in jordan 4 months, 2 weeks agoSammy Njukang Chalefac's profile was updated 5 months, 4 weeks ago
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Carlos Alberto Rossi , PhD are now friends 10 months, 1 week agoSammy Njukang Chalefac joined the group
Liberia AIU graduates 10 months, 1 week agoSammy Njukang Chalefac posted an update in the group
Smart Sustainability 10 months, 1 week agoGreen Energy source and more Abundant but yet unexploited in many countries of the World. Why?
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Sammy Njukang Chalefac joined the group
AIU Alumni in jordan 10 months, 1 week agoSammy Njukang Chalefac's profile was updated 10 months, 1 week ago
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Smart Sustainability 10 months, 1 week agoSammy Njukang Chalefac became a registered member 1 year, 7 months ago
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