References
- Grosskopf D. Textbook evaluation and selection in the curriculum. Nurse Educator 1981; Nov: 32–35
- Kroger E., Yarber W. STD Content in school health textbooks: an evaluation using the Worth assessment procedure. Journal of School Health 1984; 57: 41–44
- Berelson B. Content Analysis in Communication Research. Hafner Press, New York 1952
- Smith J. M., King W. A. Readability. The University of Michigan, Office of Instructional Services, School of Education. 1976