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Continue to ChatSurvey Terkini, Potensi PLTA Batang Gadis 150 MW https://www.mandailingonline.com/survey-terkini-potensi-plta-batang-gadis-150-mw/
Survey Terkini, Potensi PLTA Batang Gadis 150 MW https://www.mandailingonline.com/survey-terkini-potensi-plta-batang-gadis-150-mw/