github.com/doabit/semantic-ui-sass
docs.moodle.org/dev/Quiz_database_structure
bhupal.semicolondev.com/2013/04/quiz-systemdatabase-schema-design.html
ask.sqlservercentral.com/questions/91558/is-the-following-database-design-proper-for-this-q.html stackoverflow.com/questions/12103321/mysql-database-design-for-a-quiz-program
this one is useful :-
--> http://stackoverflow.com/questions/15312839/database-design-for-a-quiz-app --> http://dba.stackexchange.com/questions/23976/db-design-for-a-quiz-with-variable-number-of-answer-choices-and-each-worth-diff