Whittington, M. Susie, and L. H. Newcomb. “Aspired Cognitive Level Of Instruction, Assessed Cognitive Level Of Instruction And Attitude Toward Teaching At Higher Cognitive Levels”. Journal of Agricultural Education 34, no. 2 (June 30, 1993): 55–62. Accessed November 22, 2024. https://jae-online.org/index.php/jae/article/view/2222.