THESIS TEA BOTOL

http://hub.hku.hk/bitstream/10722/55062/3/FullText.pdf?accept=1

ICE TEA USING POLYSORBATE

http://www.google.com/patents/US20060019018

PATENTS LEMON TEA

http://www.google.com/patents/US5780086

ICE LEMON TEA

http://www.pepsico-ivi.gr/versions/eng/page.aspx?itemID=SPG4

KADAR GUNA ASID ASKORBIK

http://nchfp.uga.edu/how/can_01/ascorbic_acid.html

KADAR PENGUNAAN ASKORBIK ASID

http://www.codexalimentarius.net/gsfaonline/additives/details.html?id=241