Electrochemical detection and characterization of caffeine in selected tea samples using polyglycine modified Carbon paste electrode by Dereje Yenealem, Fetene Michu, Santhi Raju Pilli, Dessie Tibebe

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Spatial Soil Erosion Modeling for Improved Land Management in Gumara Watershed, Ethiopia by Gizachew Ayalew Tiruneh, Mersha Ayalew, Mamaru Ayalew, T. D. Mequanent, Chandrakala M., Dessie Tibebe, José Miguel Reichert

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Effect of Ethiopian kaolin treatment on the performance of adsorptive removal of methylene blue dye by Wondimhun Tedila Sibhat, Hailu Sheferaw Ayele, Minaleshewa Atlabachew, Kedir Seid Mohammed, Belete Asefa Aragaw, Bamlaku Abebaw, Dessie Tibebe Ayele

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Water hyacinth conversion to biochar for soil nutrient enhancement in improving agricultural product by Yezbie Kassa, Agmas Amare, Tayachew Nega, Teferi Alem, Mohammed Gedefaw, Bilhate Chala, Bernhard Freyer, Beatriz Waldmann, Tarekegn Fentie, Tewodros Mulu, Taddesse Adgo, Gizachew Ayalew, Marelign Adugna, Dessie Tibebe

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