%0 Journal Article %T Investigating the performance of periwinkle shell (tympanotonos fuscatus) as energy storage material in a passive solar still %A Akubue, G. %A Nnaji, C. %A Abam, F.I. %A Mbohwa, C. %J Journal of Thermal Engineering %D 2026 %V 12 %P 1416-1427 %R 10.47481/jten.0040