| The relationship of high school curriculum tracks to degree attainment and occupational earnings E Fletcher Jr, C Zirkle Career and Technical Education Research 34 (2), 81-102, 2009 | 92 | 2009 |
| Distance education and career and technical education: A review of the research literature C Zirkle Journal of Vocational Education Research 28 (2), 161-181, 2003 | 86 | 2003 |
| Access barriers in distance education C Zirkle Contemporary education 72 (2), 39, 2001 | 76 | 2001 |
| Identification of distance education barriers for trade and industrial teacher education C Zirkle Digital Library and Archives of the Virginia Tech University Libraries, 2002 | 53 | 2002 |
| Perceptions of Vocational Educators and Human Resource/Training and Development Professionals Regarding Skill Dimensions of School-to-Work Transition Programs. C Zirkle Journal of vocational and technical education 15 (1), 50-62, 1998 | 51 | 1998 |
| A 2015 status study of career and technical education programs in the United States EC Fletcher Jr, HRD Gordon, P Asunda, C Zirkle Career and Technical Education Research 40 (3), 191-211, 2015 | 40 | 2015 |
| The contribution of career and technical student organizations (CTSO) to the development and assessment of workplace skills and knowledge: A literature review C Zirkle, JJ Connors Workforce Education Forum 30 (2), 2003 | 35 | 2003 |
| Distance education programming barriers in business education teacher preparation programs in the United States C Zirkle, C Norris, A Winegardner, E Frustaci Career and Technical Education Research 31 (2), 101-118, 2006 | 34 | 2006 |
| Distance education programming barriers in career and technical teacher education in Ohio C Zirkle Journal of Vocational Education Research 29 (3), 157-179, 2004 | 34 | 2004 |
| A longitudinal study of alternatively licensed career and technical teachers C Zirkle, J Jeffery, L Shrewe Career and Technical Education Research 44 (1), 23-47, 2019 | 31 | 2019 |
| Where will future leadership come from? C Zirkle, S Cotton Tech Directions 61 (5), 15, 2001 | 30 | 2001 |
| The Journey into Distance Education. C Zirkle, S Guan Techniques: Connecting Education and Careers 75 (5), 18-21, 2000 | 30 | 2000 |
| Access barriers experienced by adults in distance education courses and programs: A review of the research literature C Zirkle Midwest Research-to-Practice Conference in Adult, Continuing, and Community …, 2004 | 29 | 2004 |
| Using the Internet to enhance teacher education C Zirkle Techniques 77 (5), 24-26, 2002 | 22 | 2002 |
| Integrating Occupational and Academic Skills Across the Curriculum. C Zirkle Techniques: connecting education and careers 79 (6), 24-26, 2004 | 21 | 2004 |
| Preparing technical instructors through multiple delivery systems: A working model C Zirkle THE journal 28 (4), 62-64, 2000 | 17 | 2000 |
| Web‐enhanced alternative teacher licensure C Zirkle The Teacher Educator 40 (3), 208-219, 2004 | 16 | 2004 |
| Distance education and the trade and industry educator C Zirkle Tech directions 62 (4), 32, 2002 | 16 | 2002 |
| Teaching a Course through Multiple Delivery Systems: Some Lessons Learned. C Zirkle, DB Ourand | 15 | 1999 |
| Vocational Administration Requirements, Certification, and Preparation. C Zirkle Journal of Vocational Education Research 23 (3), 239-51, 1998 | 15 | 1998 |
