The document discusses various instructional resources that can be used to assist teaching and learning, including textbooks, workbooks, handbooks, source books, and cartoons. It provides details on the definition and objectives of instructional resources. For each resource type, it outlines their advantages and disadvantages as well as how they can be used effectively. The overall purpose of using different instructional resources is to improve the teaching and learning process by employing various media and technologies to offer students multiple ways to learn.