Science

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• Design and Manufacturing of Mechanical Steering System for Parallel Parking, Zero Turning Radius, Minimum Turning Radius with Traditional Turning

  Yonas Mitiku, Defaru Thomas, Fasica Mersha, Firew Hailu, Elias Semeredin

  88-94

  DOI: https://doi.org/10.4314/star.v5i1.14

• Design and Simulation of Forced Solar Coffee Dryer Using Computational Fluid Dynamics (CFD)

  Tadesse Beyene

  1-17

  DOI: https://doi.org/10.20372/star.v6i3.406

• Determinants of Risky Sexual Behavior, Relation between HIV Risk Perception and Condom Utilization among Wollega University Students in Nekemte Town, Western Ethiopia

  Elias Legesse Negeri

  75-86

• Determinants of Wheat Yield Variation of Smallholders in South Eastern Ethiopia Application of Ordered Logistic Regression

  Tolesa Alemu

  61-66

• Determination of Nutritive Value and Mineral Elements of Some Species of Genus Memecylon Linn. from Central Western Ghats

  Asha B, Krishnappa M, Kenchappa R

  58-64

  DOI: https://doi.org/10.4314/star.v4i3.8

• Determination of Some Mechanical Properties of Ugu Seed (Telfairia occidentalis) in Relation to the Design of Cracking Machine

  Michael Mayokun Odewole, Oluwatosin Adedamola Adesoye, Oluwatosin Adesola Shadare

  187-191

• Determination of Water Requirement and Crop Coefficient for Sorghum (Sorghum bicolor L.) at Melkassa, Ethiopia

  Abebe Shenkut, Kindie Tesfaye, Fentaw Abegaz

  16-24

• Determining Factors of Rangeland management Practices in Borana Zone, Oromia National Regional State, Southern Ethiopia

  Benti Tafesse

  01-08

  DOI: https://doi.org/10.20372/star.v7.i2.1

• Developing Empirical Relationship between Interrill Erosion, Rainfall Intensity, Slope Gradient and Soil Types in Highlands of Salale, Ethiopia

  `Habtamu Adenew Weletu

  51-60

  DOI: https://doi.org/10.4314/star.v5i1.8

• Development and Application of Spatially Parameterized Depth Duration Frequency Model for Estimation of Design Rainfall for Oromia State, Ethiopia

  Megersa Tesfaye, Solomon Seyoum Demissie

  143-151