Current Issue: Volume 11, Issue 1, Winter 2020, Pages 1-88 
10. Performance Evaluation and Emission Characterisation of Biodiesel from Shea Butter on Compression Ignition Engine

Pages 61-69

E. O. Ajala; F. Aberuagba; M. A. Ajala; A. M. Ayanshola; T. D. Akpenpuun


12. Evaluation of Photovoltaic System Performance: A Case Study in East Azerbaijan, Iran

Pages 75-78

M. M. Mirzaei Darian; A. M. Ghorreshi; M. J. Hajatzadeh