Here is a guide to figure out when to use total body workouts and and when to use splits to isolate separate muscle groups.
3 Day Full Body Workout Plan: Gym Routine for Growth
Full-Body Workouts Every Day: Will You Get Better Results? – Fitbod
Split Workouts Vs Full Body: Which One Is Better?
Upper/Lower Split: The Best Workout Plan?
3-Day Full Body Workout Routine: How To Split Your Training To Build Strength And Muscle - BetterMe
Which is Best Full Body Workouts or Body Part Split Workouts
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Full body vs split: which lifting routine is more effective?
Full Body Workout With Weights
Split vs Full Body Workouts