Siburian, Robert, Pusat Penelitian Kemasyarakatan dan Kebudayaan Lembaga Ilmu Pengetahuan Indonesia, Indonesia
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Jurnal Penelitian Kesejahteraan Sosial Vol. 16 No. 4 (2017): Jurnal Penelitian Kesejahteraan Sosial - Articles
Social Resilience and Forest Ecology Change: A study on around forest society in Simalungun District
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