Mahdi, Mahdi, Yonariza Yonariza, Yuerlita Yuerlita, Yurike Yurike, and Yudha Saktian Syafruddin. 2020. “Performance Analysis of Production Forest Management Unit (PFMU) of Dharmasraya District, West Sumatra Province”. Sumatra Journal of Disaster, Geography and Geography Education 4 (1):77-84. https://doi.org/10.24036/sjdgge.v4i1.273.