Видео с ютуба Objective C和C

what is objective C? Explained with history of objective-C and its important features

Objective C 教學課程 01 基本语法

Swift vs Objective-C Programming Languages: Everything You Need to Know

dotSwift 2019 — Дэниел Джалкут — Objective-C — просто достаточно

Обзор языка программирования Objective-C. Особенности языка программирования Objective-C.

Why Objective C is Better than C++

C против C++ против C#

Objective C vs Swift. С чего начать [GeekBrains]

Using C, C++ and Objective C frameworks in Swift apps

Should I Learn C or C++ Before Objective C?

Objective C Tutorial

Differences between Swift & Objective-C