Pengaruh pencantuman informasi kandungan gula, garam dan lemak ggl serta pesan kesehatan pada papan menu di kantin sekolah terhadap pengetahuan, pemilihan menu serta asupan GGL pada siswa SMA di Kota Depok. = The influence of inclusion of information on sugar salt and fat SSF contents also health message on the menu board at school cafeteria to knowledge menu selections and SSF intakes of senior high school students in Depok City intervention study