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...your pics are a little small and dark but from what i can see everything looks fine.
as far as yield goes, there is just no way anyone can help you with that, you're just gonna have to be patient and wait a few more weeks.
...here's a couple of shots from back in my own CFL days.
my first flowering room, just a closet wrapped in Panda plastic, as it were.
...and the veg side of things back up under the stairs.
...and a couple of CFL bud shots to show that they work just fine, despite what the haters will say.
...try to relax as you learn your chops, if you can let yourself think of each grow as practice for the next grow then so long as you learn something you have succeeded 'cause what you learned THIS time will make NEXT time so much better.
shoot for improvement rather than perfection and you will seldom be disappointed.
btw, you should also keep in mind that as new as this is for you, it ain't new so any question you can think to ask will almost certainly have been asked MANY times before so if you become proactive and go hunting for your answers before you start a thread to ask them you will find your answers more quickly and the answers will be more reliable than the well meaning but too often conflicting answers you'll get from other new people.
...doing things this way means that you will also find answers that you don't know enough to ask yet and that means you will be climbing the learning curve much faster than someone who just asks questions and waits for answers.
anyway, welcome to the site and to the hobby grasshopper!
Have you been checking the ph of your runoff? It looks like you have a nutrient deficeincy. PH levels should be in the range of 6.3-6.8 for soil and nutrient lockout will happen if the soil is too acidic or basic.
If you are in week 5 of flowering your leaves shouldnt be curling like that, so check your PH!
Goodluck