Emission characteristics and efficiency assessment of biomass-derived syngas in a spark-ignition generator compared to LPG and gasoline by Fredy Surahmanto, Achmad Arifin, Sutiman, Mochamad Syamsiro, Novi Caroko

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Hydrodynamic characteristics of the microbubble dissolution in water using an ejector-type bubble generator by I.G.N.B. Catrawedarma, Sefri Ton, Dadang Dwi Pranowo, Fredy Surahmanto

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PELATIHAN PEMBUATAN POLA MENGGUNAKAN 3D PRINTING UNTUK PRAKTIKUM PENGECORAN DI SMK MUHAMMADIYAH 1 BANTUL by Arya Yusuf, Arianto Leman Soemowidagdo, Fredy Surahmanto, Joni Tri Setyawan, Siti Nursipa Wulida

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Bubble flow configurations generated by ejector type bubble generator by I Gusti Ngurah Bagus Catrawedarma, Sefri Ton, Dadang Dwi Pranowo, Fredy Surahmanto, Achilleus Hermawan Astyanto

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