join two table and print one result

Hi,
i have two table for article and setting. in article table i put id,title,date ..etc and in settings table, i have row with name featuredarticle and value put id of article with separate comma for featured articles. now i need to list/print my featured article only. how to ?

TABLE articles:

ID | TITLE | DATE | PUBLISH
1
2
3
4
5

TABLE settings / row featuredarticle:(in screen u see title / value)

1,7,16

NOTE: i now this bad design, but i custom the any modules of cms And I have no choice.

Thanks For Any Help