Nafaa, H. , Farhat, M. , Ouriemi, S. , Lassaad, S. (2018). 'Eco-friendly and Cleaner Process for Isolation of Essential Oil Using Photovoltaic Energy: Experimental and Theoretical Study'. World Academy of Science, Engineering and Technology, Open Science Index 143, International Journal of Energy and Environmental Engineering, 12(11), 727 - 733.