PCB soldering refers to a process of joining electronic components to a printed circuit board. Soldering is a crucial step in the manufacturing of electronic devices and involves the use of a soldering iron or machine to melt a small amount of metal alloy, called solder, and apply it to the junction of the component lead and PCB.
This video will show you how to solder and what kind of tools and materials are necessary to do the job.
PCB Basics - SparkFun Learn
Ultimate Guide to Electronic Soldering
How To Identify Components on Printed Circuit Boards - AX Control, Inc.
Assembling a PCB Without a Soldering Iron!
BGA - Something you need to know about its types and soldering methods - IBE Electronics
I think I might have burned parts of my pcb. What steps can I take to fix my bad soldering job on my mouse, if at all? - Electrical Engineering Stack Exchange
An Expert's Guide to PCB Surface Finishes
The Basics of A Printed Circuit Board: How Does a Circuit Board Work?
What is PCB (printed circuit board) and how it's made - Soldered Electronics
How to Solder : 8 Steps (with Pictures) - Instructables