Pull up and push ups are classic bodyweight exercises that are often lumped together, despite the fact that they're quite different in muscle recruitment.
Pull-Ups vs. Push-Ups
Which is better push ups or pull ups? - Quora
Chin-Up vs. Pull-Up: Which Upper-Body Exercise Is Better?
MVNT HUB your group fitness specialist
How To Get Better At Pushups - 4 Strategies And Tips To Try
How many push-ups should you do in a day? - Times of India
Pushes and Pulls Mini-Book
Pull Up vs Push Up: What's the Difference? - Inspire US
Pull-Ups vs. Push-Ups: What's The Difference? - Lift Big Eat Big
Incline vs Decline Push-ups: Differences Explained - Inspire US
Experts Tips for How to Improve Push-Ups
Tunturi, Blog
Pull-Ups vs. Push-Ups