แหล่งที่มา

WikiPedia: ความเครียด (จิตวิทยา) http://www.collinsdictionary.com/dictionary/englis... http://blog.ted.com/could-stress-be-good-for-you-r... http://www.ttgmice.com/article/cwt-rolls-out-solut... http://oregonstate.edu/instruct/dce/hhs231_w04/nin... http://www.cla.purdue.edu/academic/engl/theory/psy... //www.ncbi.nlm.nih.gov/pmc/articles/PMC2568977 //www.ncbi.nlm.nih.gov/pmc/articles/PMC3374921 //www.ncbi.nlm.nih.gov/pmc/articles/PMC3871742 //www.ncbi.nlm.nih.gov/pmc/articles/PMC4253863 //www.ncbi.nlm.nih.gov/pubmed/11392869