SwiftUI Masterclass 2021 - iOS 15 App Development & Swift 5

https://www.udemy.com/course/swiftui-masterclass-course-ios-development-with-swift/

MVVM Design Pattern Using Swift in iOS

https://www.udemy.com/course/mastering-mvvm-for-ios/

모니터 *2

https://eizer.kr/goods/view?no=486

The Core iOS Developer's Cookbook(한국어판)

http://www.kyobobook.co.kr/product/detailViewKor.laf?ejkGb=KOR&mallGb=KOR&barcode=9788960775879&orderClick=LAG&Kc=

Mastering iOS 14 Programming - Fourth Edition

http://www.kyobobook.co.kr/product/detailViewEng.laf?ejkGb=BNT&mallGb=ENG&barcode=9781838822842&orderClick=LAG&Kc=