There are another 2 weeks to final exam, here we go, this week we all from education physics has lot of tests. everybody was tension and already burnout, i guest. another one year to finish bachelor, i'm planning to continue my master in physics. Hopefully mt thesis for the last semester will be a step to further my master and PhD. to all my friends, let keep it up on this final exam, my God bless all of us...don't forget to pray for me also...to mom and dad, i'm truly sorry and pray for my success.