IGE/UP/7 Edition 2 +A: 2008 - Gas installations in timber framed and light steel framed buildings - Hard copy
IGEM/UP/10 Edition 4 +A: 2016 - Installation of flued gas appliances in industrial and commercial premises - Digital (1 year)
IGEM/UP/10 Edition 4 +A: 2016 - Installation of flued gas appliances in industrial and commercial premises - Digital (3 year)
IGEM/UP/10 Edition 4 +A: 2016 - Installation of flued gas appliances in industrial and commercial premises - Hard copy