AbdallaGomaa, Fifi N. M. Elwekeel, Mahmoud Abdelmagied, Momen I. Radwan. Performance Investigation of Evacuated Tube Collector using Different Nano fluids Applied to Winter Climatic Conditions in Egypt. IJASRE [Internet]. 2020 Jan. 13 [cited 2024 May 3];6(1):156-68. Available from: https://ijasre.net/index.php/ijasre/article/view/399