Kenalkan energi terbarukan sejak dini, Pertamina pasang solar panel di SMKN 2 Dumai https://ift.tt/Vhno07e
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Kenalkan energi terbarukan sejak dini, Pertamina pasang solar panel di SMKN 2 Dumai https://ift.tt/Vhno07e
Antara Riau 
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