LINQ Courses

Most Advanced C# Course for Professionals
Extern Code via YouTube

Advanced C# – LINQ Tutorial
freeCodeCamp

Learn C#: Lists and LINQ
Codecademy

C# LINQ Tutorial - Language Integrated Query
Derek Banas via YouTube

C# Expression Trees Explained - Reading and Creating Examples
Raw Coding via YouTube

LINQ-style Queries in Java with Jinq - JVM Language Summit 2015
Java via YouTube

LINQ Best Practices
Pluralsight

Advanced C# Programming Course
freeCodeCamp

ASP.NET Core Foundation
Board Infinity via Coursera

C# Technical Job Interview - 50 Questions and Answers - Part 5
tutorialsEU via YouTube