tvei การใช้

• TVEI was announced in 1982 and a pilot scheme started in 1983.
• TVEI was extended nationally in 1987, and was thereafter often known as TVEI extension, sometimes abbreviated TVEE . It ended in 1997.
• TVEI was extended nationally in 1987, and was thereafter often known as TVEI extension, sometimes abbreviated TVEE . It ended in 1997.