Between classes, a social life, sleep, a job, and everything else college entails, it's hard to find time to exercise, much less figure out which exercises to do! I mean, you certainly don't want to waste your time... here is an effective personal abs and obliques routine to incorporate into your day. Strengthen your core, strengthen your body, strengthen your mind.
1. Ab bikes
http://bike.mynewmarket.site/ab-bikes-exercise/
2. Crunches
https://gethealthyu.com/exercise/basic-crunch/
3. Hip thruster
https://www.advancedhumanperformance.com/blog/the-ultimate-glute-bridge-hip-thruster-and-butt-blaster
4. Side plank crunches
https://www.health.com/fitness/side-plank-crunch
5. Dumbbell oblique crunches
https://forum.bodybuilding.com/showthread.php?t=159196141&pagenumber=
6. Side plank
https://www.popsugar.com/fitness/photo-gallery/44684013/image/44687443/Side-Plank
7. Bodyweight squat
https://life.spartan.com/post/body-weight-squats-workout-of-the-day-featured-exercise
8. Plank with elevated feet
https://www.womenshealthmag.com/fitness/a20699229/plank-with-feet-elevated/
While this is a challenging workout, it is definitely doable. Doable in your dorm room or at the gym. Overall, do the best you can. If need be, start with smaller sets and work your way up to the ones listed here. Gotta keep that beer belly away!