Budiarta, Kustoro, Department of Management, Universitas Negeri Medan, Medan, Indonesia, Indonesia
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Vol 3, No 2: July 2019 - Articles
UTILIZATION OF ORGANIC WASTE TO ORGANIC FERTILIZER IN THE ELEMENTARY SCHOOLS OF SIJUNJUNG DISTRICT
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p-ISSN: 2549-1849
e-ISSN: 2549-3434
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