Abstract
I. Introduction
Ⅱ. Theoretical Background
1. Technology Education of Junior Secondary School in Nigeria
2. Textbooks and Visual Materials
3. Criteria for Analysis of Visual Materials
Ⅲ. Results of Textbooks Analysis
1. Overview of Nigerian Textbooks
2. Structure analysis of External Visual Materials
2. Content analysis of visual materials in terms of contents
3. Discussion of Research Results
Ⅴ. Conclusion and Suggestion
References
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