PENGARUH PARAFFIN WAX SEBAGAI LAPISAN TANKI PADA AIR CONDITIONER WATER HEATER (ACWH) por Chandra Amirsyah Putra Siregar, A M Siregar, R D W Lubis, Arya Rudi, Irham Rosyadi

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Functional diversity of bacteria in various saline soil plant vegetations around Sialang Buah Coast, North Sumatra, Indonesia por Mariani Sembiring, Juli M. Hutahuruk, Dwi Ningsih Susilowati, Erny Yuniarti, T. Sabrina, Luthfi A. Mahmud Siregar

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Nitrogen dynamic and precise management to predict corn yield in tropical upland acid soils por A. Kasno, A.A. Rivaie, C. Tafakresnanto, E. Pratiwi, E. Karmawati, A.F. Siregar, M. Hatta, M.T. Sutriadi

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Genotypic effects on accelerated propagation of oil palm breeding materials selected (Elaeis guineensis jacq.) using somatic embryogenesis por Retno Puji Astari, Mohammad Basyuni, Luthfi A.M. Siregar, Revandy I.M. Damanik, Deni Arifiyanto, Dadang Affandi, Indra Syahputra

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Mangrove plants using deoxyribonucleic acid barcodes for enhancing biodiversity and conservation por M. Basyuni, R. Syahbana, A.B. Rangkuti, N.A. Pradisty, A. Susilowati, L.A.M. Siregar, S.S. Al Mustaniroh, A.A. Aznawi, A. Mubaraq, E.R. Ardli, S.H. Larekeng, V. Leopardas, Y. Isowa, T. Kajita

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