TY - JOUR TI - Investigating the performance of periwinkle shell (tympanotonos fuscatus) as energy storage material in a passive solar still AU - Akubue, G. AU - Nnaji, C. AU - Abam, F.I. AU - Mbohwa, C. JO - Journal of Thermal Engineering PY - 2026 VL - 12 SP - 1416 EP - 1427 DO - 10.47481/jten.0040 ER -