Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Gebray, Petros" or (type exact bookEditor and editor="Gebray, Petros") Add to list Journal Article A2 Measured solar irradiance data for resource assessment at four sites in Geba catchment, Tigray, North Ethiopia Mulu Bayray, Yacob Hiben, Hailay Gebrehiwot, Solomon Teklemichael, Anwar Mustefa, Asfafaw Haileslassie, Petros Gebray, Ashenafi Kebedom and Fana Filli (2022) DATA IN BRIEF. 40. Add to list Journal Article A1 Temporal and spatial solar resource variation by analysis of measured irradiance in Geba catchment, North Ethiopia Mulu Bayray, Yacob Hiben, Hailay Gebrehiwot, Solomon Teklemichael, Anwar Mustefa, Asfafaw Haileslassie, Petros Gebray, Ashenafi Kebedom and Fana Filli (2021) SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS. 44. Add to list Journal Article A1 Effect of side-wings on draught : the case of Ethiopian ard plough (maresha) Solomon Gebregziabher, Karel De Swert, Wouter Saeys, Herman Ramon, Bart De Ketelaere, Abdul Mouazen (UGent) , Petros Gebray, Kindeya Gebrehiwot, Hans Bauer, Jozef Deckers, et al. (2016) COMPUTERS AND ELECTRONICS IN AGRICULTURE. 127. p.131-140 Add to list Conference Paper C3 Geometry optimization of tillage tools by using finite element modelling technique Solomon Gebregziabher, Jan Nyssen (UGent) , Abdul Mouazen (UGent) , Petros Gebray, Anwar Mustefa, Kindeya Gebrehiwot, Hans Bauer, Kasa Amare, Nahusenay Teamer, Herman Ramon, et al. (2013) International congress 2013 : sustainable livelihood in the tropical drylands : book of abstracts. Add to list Conference Paper C3 Ethiopian Ard plough and efforts for its improvement Solomon Gebregziabher, Jan Nyssen (UGent) , Karel De Swert, Maarten De Coninck, Abdul Mouazen (UGent) , Sven Smolders, Petros Gebray, Anwar Mustefa, Kendeya Gebrehiwot, Hans Bauer, et al. (2013) International congress 2013 : sustainable livelihood in the tropical drylands : book of abstracts.