David Ballard

• WJEC Chemistry for A2 Level Student Book
• WJEC Chemistry A2 Level
• CBAC : U2 Cemeg
• OCR appled science As and A2
• WJEC chemistry for A2 level
• WJEC Chemistry for A2 Level - Revision Workbook
• CBAC Cemeg Ar Gyfer U2
• CBAC Cemeg Ar Gyfer U2 - Argraffiad Diwygiedig (WJEC Chemistry for A2 Student Book - Revised Edition)
• Cbac Cemeg U2 Llyfr Gwaith Adolygu (wjec Chemistry for A2 Level - Revision Workbook)
• CBAC U2 Cemeg Canllaw Astudio Ac Adolygu
• Eduqas Chemistry for A Level Year 2
• From Father to Father