Meet Yobe-born scientist who developed cell phone that works without sim card
Twenty two-year old Yobe-based young scientist, Umar Usman Dagona, is not strange to taking up challenges.Dagona, in 2019 participated and ...
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Twenty two-year old Yobe-based young scientist, Umar Usman Dagona, is not strange to taking up challenges.Dagona, in 2019 participated and ...
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