*[https://pubmed.ncbi.nlm.nih.gov/21984641/ Effects of self-talk: a systematic review], ''Journal of sport & exercise psychology''. 2011 Oct;33(5):666-87. doi: 10.1123/jsep.33.5.666.
*[https://pubmed.ncbi.nlm.nih.gov/21984641/ Effects of self-talk: a systematic review], ''Journal of sport & exercise psychology''. 2011 Oct;33(5):666-87. doi: 10.1123/jsep.33.5.666.
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== Books ==
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<small>Small text</small>== Books ==
*''Negative Self-Talk and How to Change it'' by Shad Helmstetter Ph.D, Park Avenue Press (May 13, 2019)
*''Negative Self-Talk and How to Change it'' by Shad Helmstetter Ph.D, Park Avenue Press (May 13, 2019)
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*''What to Say When You Talk to Your Self'' by Shad Helmstetter Ph.D, Grindle Pr Audio (January 1, 1986)
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*''[[What to Say When You Talk to Your Self]]'' by Shad Helmstetter Ph.D, Grindle Pr Audio (January 1, 1986)