1. https://libres.uncg.edu/ir/asu/f/Bodry_Kendra_2018_Thesis.pdf
2. https://theworldbook.org/physical-health/
3.https://familydoctor.org/mental-health-keeping-your-emotional-health/#:~:text=People%20who
%20are%20emotionally%20healthy,themselves%20and%20have%20good%20relationships