Najaf F, Ridha S. An analysis of the productivity of an active solar still vs. a passive solar still over the autumn and winter seasons in the city of Kirkuk, Iraq. NTU-JRE [Internet]. 2024Apr.23 [cited 2024May18];6(1):60-7. Available from: https://journals.ntu.edu.iq/index.php/NTU-JRE/article/view/925