Understanding Pointers and Memory Management in C++: A Practical Guide to Pointers, References, Dynamic Memory.

Understanding and Using C Pointers: Core Techniques for Memory Management

Mastering C++ Memory: From Pointers to Smart Pointers, Allocation, Debugging, and Optimization

Mastering C++ Memory: From Pointers to Smart Pointers, Allocation, Debugging, and Optimization

Dan Gookin's Guide to C Language Pointers