Research Papers / What is a good way to find Secondary Sources? [5]

Need advice to find good books for subjects in mechanics

it is the firs time for me being part of a Student forum. i am from albania and i study in Ing Mechanical so i am serching books that can help me to learn better becous we dont have good books . i am serching this books : General technology of materials.

Mechanics of materials and mechanical design
Car mechanics
Mechanical plants
Industrial quality management
i will be very pleased if i get the help