Cite
MLA Citation
Jon Singletary. Leadership by the number : using the Enneagram to strengthen educational leadership. San Francisco : Jossey-Bass, 2023. http://access.bl.uk/ark:/81055/vdc_100181314337.0x000001
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Jon Singletary. Leadership by the number : using the Enneagram to strengthen educational leadership. San Francisco : Jossey-Bass, 2023. http://access.bl.uk/ark:/81055/vdc_100181314337.0x000001