Edwards TP, Yopp JM, Park EM, Deal A, Biesecker BB, Rosenstein DL. Widowed parenting self-efficacy scale: a new measure. Death Stud. 2018 Apr;42(4):247-53. doi: 10.1080/07481187.2017.1339743
Rothman KJ, Arellano F. Elevating the level of scientific discourse. Int J Occup Environ Health. 2005 Sep 1;11(3):327-8.