1. Nutritional literacy of high school students;Dwyer;Journal of Nutritional Education,1970
2. A nutrition workshop for home economics teachers;Henneman;Journal of Nutrition Education,1976
3. Constructing achievement tests;Gronlund,1977
4. Questionnaire design and attitude measurement;Oppenheim,1966
5. SPSS Statistical package for the social sciences;Nie,1975