Suyanto, Suyanto, Universitas Riau, Indonesia
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Vol 11, No 1 (2017): Jurnal Ilmu Lingkungan - Articles
The Factors that Influenced the Obedience of Bacteriological Test toward Total coliform Content at Refill Drinking Water Depot in Kuantan Singingi District
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Vol 17, No 1 (2023): Jurnal Ilmu Lingkungan - Articles
STRATEGI PENCEGAHAN PENULARAN COVID-19 DI TEMPAT KERJA
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