2017: An Economic Impact Assessment for the A496 Llanbedr Access Improvement and Snowdonia Aerospace Centre Development (Wavehill)
2017: Asesiad o'r Effaith Economaidd ar gyfer Cynllun Gwella Mynediad i Lanbedr (A496) a Datblygu Canolfan Awyrofod Eryri (Wavehill)