Najaf, F. and Ridha, S. 2024. 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 Journal of Renewable Energy. 6, 1 (Apr. 2024), 60–67. DOI:https://doi.org/10.56286/ntujre.v6i1.925.